126304636 has 12 divisors (see below), whose sum is σ = 221497920. Its totient is φ = 63019520.

The previous prime is 126304627. The next prime is 126304637. The reversal of 126304636 is 636403621.

It is a super-2 number, since 2×126304636² = 31905722150184992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126304598 and 126304607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126304637) 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, 31045 + ... + 34876.

It is an arithmetic number, because the mean of its divisors is an integer number (18458160).

Almost surely, 2^126304636 is an apocalyptic number.

It is an amenable number.

126304636 is a deficient number, since it is larger than the sum of its proper divisors (95193284).

126304636 is a wasteful number, since it uses less digits than its factorization.

126304636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66404 (or 66402 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 126304636 is about 11238.5335342295. The cubic root of 126304636 is about 501.7334976926.

The spelling of 126304636 in words is "one hundred twenty-six million, three hundred four thousand, six hundred thirty-six".