1051255500 has 48 divisors (see below), whose sum is σ = 3061260384. Its totient is φ = 280334400.

The previous prime is 1051255493. The next prime is 1051255523. The reversal of 1051255500 is 55521501.

It is a super-2 number, since 2×1051255500² = 2210276252560500000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348919 + ... + 351918.

It is an arithmetic number, because the mean of its divisors is an integer number (63776258).

Almost surely, 2^1051255500 is an apocalyptic number.

1051255500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051255500 is an abundant number, since it is smaller than the sum of its proper divisors (2010004884).

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

1051255500 is a wasteful number, since it uses less digits than its factorization.

1051255500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700859 (or 700847 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 1051255500 is about 32423.0704900076. The cubic root of 1051255500 is about 1016.8013020061.

The spelling of 1051255500 in words is "one billion, fifty-one million, two hundred fifty-five thousand, five hundred".