126871992292 has 6 divisors (see below), whose sum is σ = 222025986518. Its totient is φ = 63435996144.

The previous prime is 126871992259. The next prime is 126871992311. The reversal of 126871992292 is 292299178621.

It can be written as a sum of positive squares in only one way, i.e., 88151985216 + 38720007076 = 296904^2 + 196774^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15858999033 + ... + 15858999040.

Almost surely, 2^126871992292 is an apocalyptic number.

It is an amenable number.

126871992292 is a deficient number, since it is larger than the sum of its proper divisors (95153994226).

126871992292 is a wasteful number, since it uses less digits than its factorization.

126871992292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31717998077 (or 31717998075 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 58.

The spelling of 126871992292 in words is "one hundred twenty-six billion, eight hundred seventy-one million, nine hundred ninety-two thousand, two hundred ninety-two".