126322506 has 24 divisors (see below), whose sum is σ = 276777540. Its totient is φ = 41633856.

The previous prime is 126322487. The next prime is 126322531. The reversal of 126322506 is 605223621.

126322506 is a `hidden beast` number, since 1 + 2 + 632 + 25 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 101909025 + 24413481 = 10095^2 + 4941^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126322506.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37825 + ... + 41028.

Almost surely, 2^126322506 is an apocalyptic number.

126322506 is an abundant number, since it is smaller than the sum of its proper divisors (150455034).

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

126322506 is a wasteful number, since it uses less digits than its factorization.

126322506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78950 (or 78947 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 126322506 is about 11239.3285386628. The cubic root of 126322506 is about 501.7571588848.

The spelling of 126322506 in words is "one hundred twenty-six million, three hundred twenty-two thousand, five hundred six".