126204636 has 24 divisors (see below), whose sum is σ = 304632720. Its totient is φ = 40617472.

The previous prime is 126204629. The next prime is 126204641. The reversal of 126204636 is 636402621.

It is a super-2 number, since 2×126204636² = 31855220295784992, which contains 22 as substring.

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, 180981 + ... + 181676.

It is an arithmetic number, because the mean of its divisors is an integer number (12693030).

Almost surely, 2^126204636 is an apocalyptic number.

It is an amenable number.

126204636 is an abundant number, since it is smaller than the sum of its proper divisors (178428084).

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

126204636 is a wasteful number, since it uses less digits than its factorization.

126204636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362693 (or 362691 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 126204636 is about 11234.0836742478. The cubic root of 126204636 is about 501.6010491445.

The spelling of 126204636 in words is "one hundred twenty-six million, two hundred four thousand, six hundred thirty-six".