126864858 has 16 divisors (see below), whose sum is σ = 255434400. Its totient is φ = 42004176.

The previous prime is 126864839. The next prime is 126864887. The reversal of 126864858 is 858468621.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70060 + ... + 71847.

It is an arithmetic number, because the mean of its divisors is an integer number (15964650).

Almost surely, 2^126864858 is an apocalyptic number.

126864858 is an abundant number, since it is smaller than the sum of its proper divisors (128569542).

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

126864858 is a wasteful number, since it uses less digits than its factorization.

126864858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142061.

The product of its digits is 737280, while the sum is 48.

The square root of 126864858 is about 11263.4301169759. The cubic root of 126864858 is about 502.4742136714.

The spelling of 126864858 in words is "one hundred twenty-six million, eight hundred sixty-four thousand, eight hundred fifty-eight".