126512057075 has 12 divisors (see below), whose sum is σ = 156880745448. Its totient is φ = 101205907200.

The previous prime is 126512057059. The next prime is 126512057173. The reversal of 126512057075 is 570750215621.

It is a happy number.

It is not a de Polignac number, because 126512057075 - 2⁴ = 126512057059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 744035 + ... + 898115.

It is an arithmetic number, because the mean of its divisors is an integer number (13073395454).

Almost surely, 2^126512057075 is an apocalyptic number.

126512057075 is a deficient number, since it is larger than the sum of its proper divisors (30368688373).

126512057075 is a wasteful number, since it uses less digits than its factorization.

126512057075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186934 (or 186929 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 41.

The spelling of 126512057075 in words is "one hundred twenty-six billion, five hundred twelve million, fifty-seven thousand, seventy-five".