124689956701 has 4 divisors (see below), whose sum is σ = 124830532512. Its totient is φ = 124549380892.

The previous prime is 124689956669. The next prime is 124689956759. The reversal of 124689956701 is 107659986421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124689956701 - 2⁵ = 124689956669 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124689956201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70286575 + ... + 70288348.

It is an arithmetic number, because the mean of its divisors is an integer number (31207633128).

Almost surely, 2^124689956701 is an apocalyptic number.

It is an amenable number.

124689956701 is a deficient number, since it is larger than the sum of its proper divisors (140575811).

124689956701 is an equidigital number, since it uses as much as digits as its factorization.

124689956701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140575810.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 124689956701 in words is "one hundred twenty-four billion, six hundred eighty-nine million, nine hundred fifty-six thousand, seven hundred one".