126770117256 has 40 divisors (see below), whose sum is σ = 355073709870. Its totient is φ = 42256705536.

The previous prime is 126770117249. The next prime is 126770117293. The reversal of 126770117256 is 652711077621.

It can be written as a sum of positive squares in only one way, i.e., 118359393156 + 8410724100 = 344034^2 + 91710^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 97815801 + ... + 97817096.

Almost surely, 2^126770117256 is an apocalyptic number.

It is an amenable number.

126770117256 is an abundant number, since it is smaller than the sum of its proper divisors (228303592614).

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

126770117256 is a wasteful number, since it uses less digits than its factorization.

126770117256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195632915 (or 195632902 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The spelling of 126770117256 in words is "one hundred twenty-six billion, seven hundred seventy million, one hundred seventeen thousand, two hundred fifty-six".