1055131520 has 64 divisors (see below), whose sum is σ = 2670829200. Its totient is φ = 397221888.

The previous prime is 1055131513. The next prime is 1055131619. The reversal of 1055131520 is 251315501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1055131520² = 2226605048995020800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37610 + ... + 59369.

Almost surely, 2^1055131520 is an apocalyptic number.

1055131520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055131520 is an abundant number, since it is smaller than the sum of its proper divisors (1615697680).

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

1055131520 is an equidigital number, since it uses as much as digits as its factorization.

1055131520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97015 (or 97003 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1055131520 is about 32482.7880576776. The cubic root of 1055131520 is about 1018.0494313032.

The spelling of 1055131520 in words is "one billion, fifty-five million, one hundred thirty-one thousand, five hundred twenty".