1231150080 has 88 divisors (see below), whose sum is σ = 3937805712. Its totient is φ = 328302592.

The previous prime is 1231150057. The next prime is 1231150097. The reversal of 1231150080 is 800511321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24717 + ... + 55436.

Almost surely, 2^1231150080 is an apocalyptic number.

1231150080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231150080 is an abundant number, since it is smaller than the sum of its proper divisors (2706655632).

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

1231150080 is an equidigital number, since it uses as much as digits as its factorization.

1231150080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80181 (or 80163 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1231150080 is about 35087.7482891108. The cubic root of 1231150080 is about 1071.7751069037.

The spelling of 1231150080 in words is "one billion, two hundred thirty-one million, one hundred fifty thousand, eighty".