126557404 has 24 divisors (see below), whose sum is σ = 235952640. Its totient is φ = 59223024.

The previous prime is 126557383. The next prime is 126557411. The reversal of 126557404 is 404755621.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 126557404.

It is a congruent 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, 3724 + ... + 16339.

It is an arithmetic number, because the mean of its divisors is an integer number (9831360).

Almost surely, 2^126557404 is an apocalyptic number.

It is an amenable number.

126557404 is a deficient number, since it is larger than the sum of its proper divisors (109395236).

126557404 is a wasteful number, since it uses less digits than its factorization.

126557404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20169 (or 20167 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 126557404 is about 11249.7735088312. The cubic root of 126557404 is about 502.0679738434.

The spelling of 126557404 in words is "one hundred twenty-six million, five hundred fifty-seven thousand, four hundred four".