124044564157 has 4 divisors (see below), whose sum is σ = 124687282300. Its totient is φ = 123401846016.

The previous prime is 124044564151. The next prime is 124044564169. The reversal of 124044564157 is 751465440421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34434740356 + 89609823801 = 185566^2 + 299349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124044564157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124044564151) 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, 321358782 + ... + 321359167.

It is an arithmetic number, because the mean of its divisors is an integer number (31171820575).

Almost surely, 2^124044564157 is an apocalyptic number.

It is an amenable number.

124044564157 is a deficient number, since it is larger than the sum of its proper divisors (642718143).

124044564157 is an equidigital number, since it uses as much as digits as its factorization.

124044564157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642718142.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 124044564157 in words is "one hundred twenty-four billion, forty-four million, five hundred sixty-four thousand, one hundred fifty-seven".