124147451656 has 8 divisors (see below), whose sum is σ = 232776471870. Its totient is φ = 62073725824.

The previous prime is 124147451653. The next prime is 124147451737. The reversal of 124147451656 is 656154741421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 89242002756 + 34905448900 = 298734^2 + 186830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (124147451653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7759215721 + ... + 7759215736.

Almost surely, 2^124147451656 is an apocalyptic number.

It is an amenable number.

124147451656 is a deficient number, since it is larger than the sum of its proper divisors (108629020214).

124147451656 is a wasteful number, since it uses less digits than its factorization.

124147451656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15518431463 (or 15518431459 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The spelling of 124147451656 in words is "one hundred twenty-four billion, one hundred forty-seven million, four hundred fifty-one thousand, six hundred fifty-six".