126520402 has 8 divisors (see below), whose sum is σ = 190234800. Its totient is φ = 63108804.

The previous prime is 126520397. The next prime is 126520403. The reversal of 126520402 is 204025621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (126520403) 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, 74652 + ... + 76327.

It is an arithmetic number, because the mean of its divisors is an integer number (23779350).

Almost surely, 2^126520402 is an apocalyptic number.

126520402 is a deficient number, since it is larger than the sum of its proper divisors (63714398).

126520402 is a wasteful number, since it uses less digits than its factorization.

126520402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151400.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 126520402 is about 11248.1288221642. The cubic root of 126520402 is about 502.0190386583.

The spelling of 126520402 in words is "one hundred twenty-six million, five hundred twenty thousand, four hundred two".