126090784506 has 64 divisors (see below), whose sum is σ = 264259676160. Its totient is φ = 40033033920.

The previous prime is 126090784499. The next prime is 126090784613. The reversal of 126090784506 is 605487090621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70480260 + ... + 70482048.

It is an arithmetic number, because the mean of its divisors is an integer number (4129057440).

Almost surely, 2^126090784506 is an apocalyptic number.

126090784506 is an abundant number, since it is smaller than the sum of its proper divisors (138168891654).

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

126090784506 is a wasteful number, since it uses less digits than its factorization.

126090784506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 126090784506 in words is "one hundred twenty-six billion, ninety million, seven hundred eighty-four thousand, five hundred six".