1258942 has 16 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 602968.

The previous prime is 1258937. The next prime is 1258967. The reversal of 1258942 is 2498521.

It is a plaindrome in base 16.

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 in 7 ways as a sum of consecutive naturals, for example, 5433 + ... + 5659.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2^1258942 is an apocalyptic number.

1258942 is a deficient number, since it is larger than the sum of its proper divisors (710978).

1258942 is a wasteful number, since it uses less digits than its factorization.

1258942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335.

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

The square root of 1258942 is about 1122.0258464046. The cubic root of 1258942 is about 107.9779904852.

The spelling of 1258942 in words is "one million, two hundred fifty-eight thousand, nine hundred forty-two".