124100131957 has 2 divisors, whose sum is σ = 124100131958. Its totient is φ = 124100131956.

The previous prime is 124100131951. The next prime is 124100131997. The reversal of 124100131957 is 759131001421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122257919716 + 1842212241 = 349654^2 + 42921^2 .

It is a cyclic number.

It is not a de Polignac number, because 124100131957 - 2¹⁹ = 124099607669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124100131951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62050065978 + 62050065979.

It is an arithmetic number, because the mean of its divisors is an integer number (62050065979).

Almost surely, 2^124100131957 is an apocalyptic number.

It is an amenable number.

124100131957 is a deficient number, since it is larger than the sum of its proper divisors (1).

124100131957 is an equidigital number, since it uses as much as digits as its factorization.

124100131957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 124100131957 in words is "one hundred twenty-four billion, one hundred million, one hundred thirty-one thousand, nine hundred fifty-seven".