126902522 has 4 divisors (see below), whose sum is σ = 190353786. Its totient is φ = 63451260.

The previous prime is 126902513. The next prime is 126902527. The reversal of 126902522 is 225209621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118613881 + 8288641 = 10891^2 + 2879^2 .

It is a super-2 number, since 2×126902522² = 32208500179920968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126902527) by changing a digit.

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 as a sum of consecutive naturals, namely, 31725629 + ... + 31725632.

Almost surely, 2^126902522 is an apocalyptic number.

126902522 is a deficient number, since it is larger than the sum of its proper divisors (63451264).

126902522 is an equidigital number, since it uses as much as digits as its factorization.

126902522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63451263.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 126902522 is about 11265.1019524903. The cubic root of 126902522 is about 502.5239340761.

The spelling of 126902522 in words is "one hundred twenty-six million, nine hundred two thousand, five hundred twenty-two".