124791194512 has 10 divisors (see below), whose sum is σ = 241782939398. Its totient is φ = 62395597248.

The previous prime is 124791194501. The next prime is 124791194557. The reversal of 124791194512 is 215491197421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 105869541376 + 18921653136 = 325376^2 + 137556^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3899724813 + ... + 3899724844.

Almost surely, 2^124791194512 is an apocalyptic number.

It is an amenable number.

124791194512 is a deficient number, since it is larger than the sum of its proper divisors (116991744886).

124791194512 is an equidigital number, since it uses as much as digits as its factorization.

124791194512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7799449665 (or 7799449659 counting only the distinct ones).

The product of its digits is 181440, while the sum is 46.

The spelling of 124791194512 in words is "one hundred twenty-four billion, seven hundred ninety-one million, one hundred ninety-four thousand, five hundred twelve".