1258126260 has 24 divisors (see below), whose sum is σ = 3522753696. Its totient is φ = 335500320.

The previous prime is 1258126253. The next prime is 1258126283. The reversal of 1258126260 is 626218521.

It is a super-2 number, since 2×1258126260² = 3165763372203175200, which contains 22 as substring.

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, 10484326 + ... + 10484445.

It is an arithmetic number, because the mean of its divisors is an integer number (146781404).

Almost surely, 2^1258126260 is an apocalyptic number.

1258126260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1258126260 is an abundant number, since it is smaller than the sum of its proper divisors (2264627436).

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

1258126260 is a wasteful number, since it uses less digits than its factorization.

1258126260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20968783 (or 20968781 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1258126260 is about 35470.0755567281. The cubic root of 1258126260 is about 1079.5466375605.

The spelling of 1258126260 in words is "one billion, two hundred fifty-eight million, one hundred twenty-six thousand, two hundred sixty".