Search a number
-
+
120500121 = 375738101
BaseRepresentation
bin1110010111010…
…10111110011001
322101202001002110
413023222332121
5221322000441
615542422533
72662143210
oct713527631
9271661073
10120500121
1162023585
1234431a49
131bc70761
141200a077
15a8a3b16
hex72eaf99

120500121 has 8 divisors (see below), whose sum is σ = 183619264. Its totient is φ = 68857200.

The previous prime is 120500119. The next prime is 120500123. The reversal of 120500121 is 121005021.

It is an interprime number because it is at equal distance from previous prime (120500119) and next prime (120500123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120500121 - 21 = 120500119 is a prime.

It is a super-2 number, since 2×1205001212 = 29040558322029282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120500097 and 120500106.

It is not an unprimeable number, because it can be changed into a prime (120500123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2869030 + ... + 2869071.

It is an arithmetic number, because the mean of its divisors is an integer number (22952408).

Almost surely, 2120500121 is an apocalyptic number.

It is an amenable number.

120500121 is a deficient number, since it is larger than the sum of its proper divisors (63119143).

120500121 is an equidigital number, since it uses as much as digits as its factorization.

120500121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738111.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 120500121 is about 10977.2547114477. The cubic root of 120500121 is about 493.9266898266.

Adding to 120500121 its reverse (121005021), we get a palindrome (241505142).

The spelling of 120500121 in words is "one hundred twenty million, five hundred thousand, one hundred twenty-one".

Divisors: 1 3 7 21 5738101 17214303 40166707 120500121