Search a number
-
+
121353130 = 2512135313
BaseRepresentation
bin1110011101110…
…11001110101010
322110100101012101
413032323032222
5222031300010
620013004014
73002325133
oct716731652
9273311171
10121353130
1162556448
123478360a
131c1abab2
141218cc8a
15a9c173a
hex73bb3aa

121353130 has 8 divisors (see below), whose sum is σ = 218435652. Its totient is φ = 48541248.

The previous prime is 121353119. The next prime is 121353173. The reversal of 121353130 is 31353121.

It can be written as a sum of positive squares in 2 ways, for example, as 114639849 + 6713281 = 10707^2 + 2591^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 121353098 and 121353107.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6067647 + ... + 6067666.

Almost surely, 2121353130 is an apocalyptic number.

121353130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121353130 is a deficient number, since it is larger than the sum of its proper divisors (97082522).

121353130 is a wasteful number, since it uses less digits than its factorization.

121353130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12135320.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 121353130 is about 11016.0396695001. The cubic root of 121353130 is about 495.0894372965.

Subtracting from 121353130 its reverse (31353121), we obtain a palindrome (90000009).

The spelling of 121353130 in words is "one hundred twenty-one million, three hundred fifty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 12135313 24270626 60676565 121353130