126977143320 has 128 divisors (see below), whose sum is σ = 423339840000. Its totient is φ = 33853956480.

The previous prime is 126977143301. The next prime is 126977143333. The reversal of 126977143320 is 23341779621.

126977143320 is a `hidden beast` number, since 126 + 9 + 7 + 71 + 433 + 20 = 666.

It is a super-2 number, since 2×126977143320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8307285 + ... + 8322555.

It is an arithmetic number, because the mean of its divisors is an integer number (3307342500).

Almost surely, 2^126977143320 is an apocalyptic number.

126977143320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126977143320 is an abundant number, since it is smaller than the sum of its proper divisors (296362696680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126977143320 is a wasteful number, since it uses less digits than its factorization.

126977143320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22990 (or 22980 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 126977143320 in words is "one hundred twenty-six billion, nine hundred seventy-seven million, one hundred forty-three thousand, three hundred twenty".