126542904 has 16 divisors (see below), whose sum is σ = 316357320. Its totient is φ = 42180960.

The previous prime is 126542873. The next prime is 126542929. The reversal of 126542904 is 409245621.

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 3 ways as a sum of consecutive naturals, for example, 2636287 + ... + 2636334.

Almost surely, 2^126542904 is an apocalyptic number.

It is an amenable number.

126542904 is an abundant number, since it is smaller than the sum of its proper divisors (189814416).

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

126542904 is a wasteful number, since it uses less digits than its factorization.

126542904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272630 (or 5272626 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 126542904 is about 11249.1290329518. The cubic root of 126542904 is about 502.0487987143.

The spelling of 126542904 in words is "one hundred twenty-six million, five hundred forty-two thousand, nine hundred four".