126105902 has 16 divisors (see below), whose sum is σ = 204741600. Its totient is φ = 57907872.

The previous prime is 126105899. The next prime is 126105911. The reversal of 126105902 is 209501621.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7013 + ... + 17360.

It is an arithmetic number, because the mean of its divisors is an integer number (12796350).

Almost surely, 2^126105902 is an apocalyptic number.

126105902 is a deficient number, since it is larger than the sum of its proper divisors (78635698).

126105902 is a wasteful number, since it uses less digits than its factorization.

126105902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24587.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 126105902 is about 11229.6884195422. The cubic root of 126105902 is about 501.4702087354.

The spelling of 126105902 in words is "one hundred twenty-six million, one hundred five thousand, nine hundred two".