126403888 has 30 divisors (see below), whose sum is σ = 265201404. Its totient is φ = 58339008.

The previous prime is 126403867. The next prime is 126403897. The reversal of 126403888 is 888304621.

It is a self number, because there is not a number n which added to its sum of digits gives 126403888.

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 5 ways as a sum of consecutive naturals, for example, 20670 + ... + 26077.

Almost surely, 2^126403888 is an apocalyptic number.

It is an amenable number.

126403888 is an abundant number, since it is smaller than the sum of its proper divisors (138797516).

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

126403888 is a wasteful number, since it uses less digits than its factorization.

126403888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46781 (or 46762 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 126403888 is about 11242.9483677548. The cubic root of 126403888 is about 501.8648864164.

The spelling of 126403888 in words is "one hundred twenty-six million, four hundred three thousand, eight hundred eighty-eight".