Search a number
-
+
120032130121 = 1142171050913
BaseRepresentation
bin110111111001001111…
…0001111010001001001
3102110211020121222201221
41233302132033101021
53431311211130441
6131050401042041
711446336162141
oct1576236172111
9373736558657
10120032130121
11469a600aa42
121b31a626321
13b41ba56a87
145b4970b921
1531c7c008d1
hex1bf278f449

120032130121 has 4 divisors (see below), whose sum is σ = 120033295252. Its totient is φ = 120030964992.

The previous prime is 120032130109. The next prime is 120032130133. The reversal of 120032130121 is 121031230021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (120032130109) and next prime (120032130133).

It can be written as a sum of positive squares in 2 ways, for example, as 50776312896 + 69255817225 = 225336^2 + 263165^2 .

It is a cyclic number.

It is not a de Polignac number, because 120032130121 - 217 = 120031999049 is a prime.

It is a super-2 number, since 2×1200321301212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120032130095 and 120032130104.

It is not an unprimeable number, because it can be changed into a prime (120032130221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411240 + ... + 639673.

It is an arithmetic number, because the mean of its divisors is an integer number (30008323813).

Almost surely, 2120032130121 is an apocalyptic number.

It is an amenable number.

120032130121 is a deficient number, since it is larger than the sum of its proper divisors (1165131).

120032130121 is a wasteful number, since it uses less digits than its factorization.

120032130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165130.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120032130121 its reverse (121031230021), we get a palindrome (241063360142).

The spelling of 120032130121 in words is "one hundred twenty billion, thirty-two million, one hundred thirty thousand, one hundred twenty-one".

Divisors: 1 114217 1050913 120032130121