126342506 has 16 divisors (see below), whose sum is σ = 191168640. Its totient is φ = 62622480.

The previous prime is 126342499. The next prime is 126342523. The reversal of 126342506 is 605243621.

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, 141995 + ... + 142881.

It is an arithmetic number, because the mean of its divisors is an integer number (11948040).

Almost surely, 2^126342506 is an apocalyptic number.

126342506 is a deficient number, since it is larger than the sum of its proper divisors (64826134).

126342506 is a wasteful number, since it uses less digits than its factorization.

126342506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 126342506 is about 11240.2182363155. The cubic root of 126342506 is about 501.7836377072.

The spelling of 126342506 in words is "one hundred twenty-six million, three hundred forty-two thousand, five hundred six".