10556120 has 32 divisors (see below), whose sum is σ = 24520320. Its totient is φ = 4085760.

The previous prime is 10556093. The next prime is 10556123. The reversal of 10556120 is 2165501.

It is a super-2 number, since 2×10556120² = 222863338908800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10556092 and 10556101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3017 + ... + 5496.

It is an arithmetic number, because the mean of its divisors is an integer number (766260).

Almost surely, 2^10556120 is an apocalyptic number.

10556120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10556120 is an abundant number, since it is smaller than the sum of its proper divisors (13964200).

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

10556120 is a wasteful number, since it uses less digits than its factorization.

10556120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8555 (or 8551 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 10556120 is about 3249.0183132756. The cubic root of 10556120 is about 219.3653887938.

The spelling of 10556120 in words is "ten million, five hundred fifty-six thousand, one hundred twenty".