126939946203 has 48 divisors (see below), whose sum is σ = 231631155360. Its totient is φ = 68270211072.

The previous prime is 126939946157. The next prime is 126939946279. The reversal of 126939946203 is 302649939621.

126939946203 is a `hidden beast` number, since 1 + 2 + 6 + 9 + 3 + 9 + 9 + 4 + 620 + 3 = 666.

It is not a de Polignac number, because 126939946203 - 2¹⁰ = 126939945179 is a prime.

It is a super-2 number, since 2×126939946203² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126939946203.

It is not an unprimeable number, because it can be changed into a prime (126939946303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2799526 + ... + 2844507.

It is an arithmetic number, because the mean of its divisors is an integer number (4825649070).

Almost surely, 2^126939946203 is an apocalyptic number.

126939946203 is a deficient number, since it is larger than the sum of its proper divisors (104691209157).

126939946203 is a wasteful number, since it uses less digits than its factorization.

126939946203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644073 (or 5644060 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 126939946203 in words is "one hundred twenty-six billion, nine hundred thirty-nine million, nine hundred forty-six thousand, two hundred three".