124074688949 has 4 divisors (see below), whose sum is σ = 124075601664. Its totient is φ = 124073776236.

The previous prime is 124074688919. The next prime is 124074689033. The reversal of 124074688949 is 949886470421.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 124074688949 - 2²⁰ = 124073640373 is a prime.

It is a super-2 number, since 2×124074688949² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124074688891 and 124074688900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124074688919) 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, 207047 + ... + 539460.

It is an arithmetic number, because the mean of its divisors is an integer number (31018900416).

Almost surely, 2^124074688949 is an apocalyptic number.

It is an amenable number.

124074688949 is a deficient number, since it is larger than the sum of its proper divisors (912715).

124074688949 is an equidigital number, since it uses as much as digits as its factorization.

124074688949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912714.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 124074688949 in words is "one hundred twenty-four billion, seventy-four million, six hundred eighty-eight thousand, nine hundred forty-nine".