126717031983 has 32 divisors (see below), whose sum is σ = 181140019200. Its totient is φ = 78618960000.

The previous prime is 126717031981. The next prime is 126717031999. The reversal of 126717031983 is 389130717621.

It is not a de Polignac number, because 126717031983 - 2¹ = 126717031981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126717031981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 583353 + ... + 770541.

It is an arithmetic number, because the mean of its divisors is an integer number (5660625600).

Almost surely, 2^126717031983 is an apocalyptic number.

126717031983 is a deficient number, since it is larger than the sum of its proper divisors (54422987217).

126717031983 is a wasteful number, since it uses less digits than its factorization.

126717031983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187503.

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 126717031983 in words is "one hundred twenty-six billion, seven hundred seventeen million, thirty-one thousand, nine hundred eighty-three".