126216604 has 12 divisors (see below), whose sum is σ = 221078704. Its totient is φ = 63051264.

The previous prime is 126216599. The next prime is 126216637. The reversal of 126216604 is 406612621.

It is a super-2 number, since 2×126216604² = 31861262250585632, 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 3 ways as a sum of consecutive naturals, for example, 9072 + ... + 18295.

Almost surely, 2^126216604 is an apocalyptic number.

It is an amenable number.

126216604 is a deficient number, since it is larger than the sum of its proper divisors (94862100).

126216604 is a wasteful number, since it uses less digits than its factorization.

126216604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28524 (or 28522 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 126216604 is about 11234.6163263371. The cubic root of 126216604 is about 501.6169042716.

The spelling of 126216604 in words is "one hundred twenty-six million, two hundred sixteen thousand, six hundred four".