1055271320 has 32 divisors (see below), whose sum is σ = 2391454800. Its totient is φ = 419069568.

The previous prime is 1055271317. The next prime is 1055271337. The reversal of 1055271320 is 231725501.

It is a super-2 number, since 2×1055271320² = 2227195117629084800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055271320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89339 + ... + 100458.

Almost surely, 2^1055271320 is an apocalyptic number.

1055271320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055271320 is an abundant number, since it is smaller than the sum of its proper divisors (1336183480).

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

1055271320 is a wasteful number, since it uses less digits than its factorization.

1055271320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189947 (or 189943 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 1055271320 is about 32484.9398952807. The cubic root of 1055271320 is about 1018.0943915830.

Adding to 1055271320 its reverse (231725501), we get a palindrome (1286996821).

The spelling of 1055271320 in words is "one billion, fifty-five million, two hundred seventy-one thousand, three hundred twenty".