126165504 has 40 divisors (see below), whose sum is σ = 336116880. Its totient is φ = 42054656.

The previous prime is 126165503. The next prime is 126165521. The reversal of 126165504 is 405561621.

It is not an unprimeable number, because it can be changed into a prime (126165503) 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, 39534 + ... + 42605.

It is an arithmetic number, because the mean of its divisors is an integer number (8402922).

Almost surely, 2^126165504 is an apocalyptic number.

It is an amenable number.

126165504 is an abundant number, since it is smaller than the sum of its proper divisors (209951376).

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

126165504 is an frugal number, since it uses more digits than its factorization.

126165504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82160 (or 82144 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 126165504 is about 11232.3418751390. The cubic root of 126165504 is about 501.5492003325.

The spelling of 126165504 in words is "one hundred twenty-six million, one hundred sixty-five thousand, five hundred four".