1255275930 has 16 divisors (see below), whose sum is σ = 3012662304. Its totient is φ = 334740240.

The previous prime is 1255275911. The next prime is 1255275941. The reversal of 1255275930 is 395725521.

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, 20921236 + ... + 20921295.

It is an arithmetic number, because the mean of its divisors is an integer number (188291394).

Almost surely, 2^1255275930 is an apocalyptic number.

1255275930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255275930 is an abundant number, since it is smaller than the sum of its proper divisors (1757386374).

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

1255275930 is a wasteful number, since it uses less digits than its factorization.

1255275930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41842541.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 1255275930 is about 35429.8734121363. The cubic root of 1255275930 is about 1078.7307706301.

The spelling of 1255275930 in words is "one billion, two hundred fifty-five million, two hundred seventy-five thousand, nine hundred thirty".