126820177132 has 24 divisors (see below), whose sum is σ = 248016403152. Its totient is φ = 56239545600.

The previous prime is 126820177129. The next prime is 126820177139. The reversal of 126820177132 is 231771028621.

It is not an unprimeable number, because it can be changed into a prime (126820177139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35147913 + ... + 35151520.

It is an arithmetic number, because the mean of its divisors is an integer number (10334016798).

Almost surely, 2^126820177132 is an apocalyptic number.

It is an amenable number.

126820177132 is a deficient number, since it is larger than the sum of its proper divisors (121196226020).

126820177132 is a wasteful number, since it uses less digits than its factorization.

126820177132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70299489 (or 70299487 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 126820177132 in words is "one hundred twenty-six billion, eight hundred twenty million, one hundred seventy-seven thousand, one hundred thirty-two".