124620884057 has 4 divisors (see below), whose sum is σ = 124673894016. Its totient is φ = 124567874100.

The previous prime is 124620884051. The next prime is 124620884077. The reversal of 124620884057 is 750488026421.

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 124620884057 - 2⁴ = 124620884041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124620884051) 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, 26501453 + ... + 26506154.

It is an arithmetic number, because the mean of its divisors is an integer number (31168473504).

Almost surely, 2^124620884057 is an apocalyptic number.

It is an amenable number.

124620884057 is a deficient number, since it is larger than the sum of its proper divisors (53009959).

124620884057 is an equidigital number, since it uses as much as digits as its factorization.

124620884057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53009958.

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 124620884057 in words is "one hundred twenty-four billion, six hundred twenty million, eight hundred eighty-four thousand, fifty-seven".