1258492 has 6 divisors (see below), whose sum is σ = 2202368. Its totient is φ = 629244.

The previous prime is 1258487. The next prime is 1258511. The reversal of 1258492 is 2948521.

It is a super-2 number, since 2×1258492² = 3167604228128, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 1258492 parts by 1586 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157308 + ... + 157315.

2^1258492 is an apocalyptic number.

It is an amenable number.

1258492 is a deficient number, since it is larger than the sum of its proper divisors (943876).

1258492 is a wasteful number, since it uses less digits than its factorization.

1258492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314627 (or 314625 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 1258492 is about 1121.8252983419. The cubic root of 1258492 is about 107.9651236266.

The spelling of 1258492 in words is "one million, two hundred fifty-eight thousand, four hundred ninety-two".