126020851402 has 16 divisors (see below), whose sum is σ = 190943634024. Its totient is φ = 62373240000.

The previous prime is 126020851379. The next prime is 126020851421. The reversal of 126020851402 is 204158020621.

It can be written as a sum of positive squares in 4 ways, for example, as 108011479801 + 18009371601 = 328651^2 + 134199^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917752 + ... + 1046092.

Almost surely, 2^126020851402 is an apocalyptic number.

126020851402 is a deficient number, since it is larger than the sum of its proper divisors (64922782622).

126020851402 is a wasteful number, since it uses less digits than its factorization.

126020851402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133305.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 126020851402 in words is "one hundred twenty-six billion, twenty million, eight hundred fifty-one thousand, four hundred two".