126356404 has 12 divisors (see below), whose sum is σ = 221604544. Its totient is φ = 63040824.

The previous prime is 126356401. The next prime is 126356429. The reversal of 126356404 is 404653621.

It is a super-2 number, since 2×126356404² = 31931881663622432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126356401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32262 + ... + 35965.

Almost surely, 2^126356404 is an apocalyptic number.

It is an amenable number.

126356404 is a deficient number, since it is larger than the sum of its proper divisors (95248140).

126356404 is a wasteful number, since it uses less digits than its factorization.

126356404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68694 (or 68692 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 126356404 is about 11240.8364457455. The cubic root of 126356404 is about 501.8020361953.

The spelling of 126356404 in words is "one hundred twenty-six million, three hundred fifty-six thousand, four hundred four".