113401512 has 128 divisors (see below), whose sum is σ = 362880000. Its totient is φ = 32142528.

The previous prime is 113401499. The next prime is 113401573. The reversal of 113401512 is 215104311.

113401512 is a `hidden beast` number, since 113 + 40 + 1 + 512 = 666.

It is a super-2 number, since 2×113401512² = 25719805847772288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270439 + ... + 270857.

It is an arithmetic number, because the mean of its divisors is an integer number (2835000).

Almost surely, 2^113401512 is an apocalyptic number.

113401512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113401512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181440000).

113401512 is an abundant number, since it is smaller than the sum of its proper divisors (249478488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113401512 is a wasteful number, since it uses less digits than its factorization.

113401512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 113401512 is about 10649.0146023001. The cubic root of 113401512 is about 484.0307450360.

Adding to 113401512 its reverse (215104311), we get a palindrome (328505823).

The spelling of 113401512 in words is "one hundred thirteen million, four hundred one thousand, five hundred twelve".