1055900 has 18 divisors (see below), whose sum is σ = 2291520. Its totient is φ = 422320.

The previous prime is 1055897. The next prime is 1055911. The reversal of 1055900 is 95501.

It is a super-2 number, since 2×1055900² = 2229849620000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5180 + ... + 5379.

2^1055900 is an apocalyptic number.

1055900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055900 is an abundant number, since it is smaller than the sum of its proper divisors (1235620).

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

1055900 is a wasteful number, since it uses less digits than its factorization.

1055900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10573 (or 10566 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1055900 is about 1027.5699489572. The cubic root of 1055900 is about 101.8296528704.

The spelling of 1055900 in words is "one million, fifty-five thousand, nine hundred".