124896704349681 has 80 divisors (see below), whose sum is σ = 205685317918080. Its totient is φ = 74897316299520.

The previous prime is 124896704349629. The next prime is 124896704349707. The reversal of 124896704349681 is 186943407698421.

124896704349681 is a `hidden beast` number, since 1 + 2 + 4 + 8 + 96 + 7 + 0 + 43 + 496 + 8 + 1 = 666.

It is not a de Polignac number, because 124896704349681 - 2¹⁰ = 124896704348657 is a prime.

It is a super-2 number, since 2×124896704349681² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (72) 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 (124896704349181) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 69721045 + ... + 71489981.

It is an arithmetic number, because the mean of its divisors is an integer number (2571066473976).

Almost surely, 2^{124896704349681} is an apocalyptic number.

124896704349681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124896704349681 is a deficient number, since it is larger than the sum of its proper divisors (80788613568399).

124896704349681 is a wasteful number, since it uses less digits than its factorization.

124896704349681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769796 (or 1769787 counting only the distinct ones).

The product of its (nonzero) digits is 501645312, while the sum is 72.

The spelling of 124896704349681 in words is "one hundred twenty-four trillion, eight hundred ninety-six billion, seven hundred four million, three hundred forty-nine thousand, six hundred eighty-one".