1258231568 has 40 divisors (see below), whose sum is σ = 2681468256. Its totient is φ = 571913760.

The previous prime is 1258231561. The next prime is 1258231571. The reversal of 1258231568 is 8651328521.

It is not an unprimeable number, because it can be changed into a prime (1258231561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8246 + ... + 50837.

Almost surely, 2^1258231568 is an apocalyptic number.

It is an amenable number.

1258231568 is an abundant number, since it is smaller than the sum of its proper divisors (1423236688).

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

1258231568 is an equidigital number, since it uses as much as digits as its factorization.

1258231568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59124 (or 59096 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 1258231568 is about 35471.5599882497. The cubic root of 1258231568 is about 1079.5767568814.

The spelling of 1258231568 in words is "one billion, two hundred fifty-eight million, two hundred thirty-one thousand, five hundred sixty-eight".