1056123100320 has 96 divisors (see below), whose sum is σ = 3327678002880. Its totient is φ = 281557463040.

The previous prime is 1056123100313. The next prime is 1056123100399. The reversal of 1056123100320 is 230013216501.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1056123100320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1512771 + ... + 2097789.

It is an arithmetic number, because the mean of its divisors is an integer number (34663312530).

Almost surely, 2^{1056123100320} is an apocalyptic number.

1056123100320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056123100320 is an abundant number, since it is smaller than the sum of its proper divisors (2271554902560).

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

1056123100320 is a wasteful number, since it uses less digits than its factorization.

1056123100320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588798 (or 588790 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 1056123100320 its reverse (230013216501), we get a palindrome (1286136316821).

The spelling of 1056123100320 in words is "one trillion, fifty-six billion, one hundred twenty-three million, one hundred thousand, three hundred twenty".