1055665200 has 60 divisors (see below), whose sum is σ = 3381651368. Its totient is φ = 281510400.

The previous prime is 1055665189. The next prime is 1055665211. The reversal of 1055665200 is 25665501.

1055665200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1055665189) and next prime (1055665211).

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×1055665200² = 2228858028982080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 438661 + ... + 441060.

Almost surely, 2^1055665200 is an apocalyptic number.

1055665200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055665200 is an abundant number, since it is smaller than the sum of its proper divisors (2325986168).

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

1055665200 is a wasteful number, since it uses less digits than its factorization.

1055665200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879742 (or 879731 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1055665200 is about 32491.0018312763. The cubic root of 1055665200 is about 1018.2210437308.

The spelling of 1055665200 in words is "one billion, fifty-five million, six hundred sixty-five thousand, two hundred".