126015505 has 96 divisors (see below), whose sum is σ = 212751360. Its totient is φ = 70519680.

The previous prime is 126015473. The next prime is 126015511. The reversal of 126015505 is 505510621.

It is not a de Polignac number, because 126015505 - 2⁵ = 126015473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126015505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1177662 + ... + 1177768.

It is an arithmetic number, because the mean of its divisors is an integer number (2216160).

Almost surely, 2^126015505 is an apocalyptic number.

It is an amenable number.

126015505 is a deficient number, since it is larger than the sum of its proper divisors (86735855).

126015505 is a wasteful number, since it uses less digits than its factorization.

126015505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 126015505 is about 11225.6627866688. The cubic root of 126015505 is about 501.3503564584.

The spelling of 126015505 in words is "one hundred twenty-six million, fifteen thousand, five hundred five".