1292258 has 16 divisors (see below), whose sum is σ = 2134080. Its totient is φ = 582000.

The previous prime is 1292257. The next prime is 1292261. The reversal of 1292258 is 8522921.

It is a self number, because there is not a number n which added to its sum of digits gives 1292258.

It is not an unprimeable number, because it can be changed into a prime (1292251) by changing a digit.

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, 3128 + ... + 3516.

It is an arithmetic number, because the mean of its divisors is an integer number (133380).

2^1292258 is an apocalyptic number.

1292258 is a deficient number, since it is larger than the sum of its proper divisors (841822).

1292258 is a wasteful number, since it uses less digits than its factorization.

1292258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553.

The product of its digits is 2880, while the sum is 29.

The square root of 1292258 is about 1136.7752636295. The cubic root of 1292258 is about 108.9222013091.

It can be divided in two parts, 1292 and 258, that multiplied together give a triangular number (333336 = T₈₁₆).

The spelling of 1292258 in words is "one million, two hundred ninety-two thousand, two hundred fifty-eight".