113124321420 has 96 divisors (see below), whose sum is σ = 351400170240. Its totient is φ = 26959253760.

The previous prime is 113124321419. The next prime is 113124321451. The reversal of 113124321420 is 24123421311.

It is a super-2 number, since 2×113124321420² (a number of 23 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1413607 + ... + 1491486.

It is an arithmetic number, because the mean of its divisors is an integer number (3660418440).

Almost surely, 2^113124321420 is an apocalyptic number.

113124321420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113124321420 is an abundant number, since it is smaller than the sum of its proper divisors (238275848820).

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

113124321420 is a wasteful number, since it uses less digits than its factorization.

113124321420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905175 (or 2905173 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 113124321420 its reverse (24123421311), we get a palindrome (137247742731).

The spelling of 113124321420 in words is "one hundred thirteen billion, one hundred twenty-four million, three hundred twenty-one thousand, four hundred twenty".