1258710426 has 24 divisors (see below), whose sum is σ = 2728084320. Its totient is φ = 419435016.

The previous prime is 1258710419. The next prime is 1258710451. The reversal of 1258710426 is 6240178521.

It is a super-2 number, since 2×1258710426² = 3168703873042202952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57541 + ... + 76343.

It is an arithmetic number, because the mean of its divisors is an integer number (113670180).

Almost surely, 2^1258710426 is an apocalyptic number.

1258710426 is an abundant number, since it is smaller than the sum of its proper divisors (1469373894).

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

1258710426 is a wasteful number, since it uses less digits than its factorization.

1258710426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22530 (or 22527 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1258710426 is about 35478.3092325438. The cubic root of 1258710426 is about 1079.7136946840.

Adding to 1258710426 its reverse (6240178521), we get a palindrome (7498888947).

The spelling of 1258710426 in words is "one billion, two hundred fifty-eight million, seven hundred ten thousand, four hundred twenty-six".