1255080638 has 16 divisors (see below), whose sum is σ = 2153779200. Its totient is φ = 537338616.

The previous prime is 1255080613. The next prime is 1255080653. The reversal of 1255080638 is 8360805521.

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, 31838 + ... + 59361.

It is an arithmetic number, because the mean of its divisors is an integer number (134611200).

Almost surely, 2^1255080638 is an apocalyptic number.

1255080638 is a deficient number, since it is larger than the sum of its proper divisors (898698562).

1255080638 is an equidigital number, since it uses as much as digits as its factorization.

1255080638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92191.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 1255080638 is about 35427.1172691203. The cubic root of 1255080638 is about 1078.6748258478.

The spelling of 1255080638 in words is "one billion, two hundred fifty-five million, eighty thousand, six hundred thirty-eight".