1258294258 has 32 divisors (see below), whose sum is σ = 2130049152. Its totient is φ = 553132800.

The previous prime is 1258294249. The next prime is 1258294273. The reversal of 1258294258 is 8524928521.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139753 + ... + 148483.

It is an arithmetic number, because the mean of its divisors is an integer number (66564036).

Almost surely, 2^1258294258 is an apocalyptic number.

1258294258 is a deficient number, since it is larger than the sum of its proper divisors (871754894).

1258294258 is a wasteful number, since it uses less digits than its factorization.

1258294258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010.

The product of its digits is 460800, while the sum is 46.

The square root of 1258294258 is about 35472.4436429181. The cubic root of 1258294258 is about 1079.5946861573.

The spelling of 1258294258 in words is "one billion, two hundred fifty-eight million, two hundred ninety-four thousand, two hundred fifty-eight".