124152557 has 2 divisors, whose sum is σ = 124152558. Its totient is φ = 124152556.

The previous prime is 124152493. The next prime is 124152559. The reversal of 124152557 is 755251421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121242121 + 2910436 = 11011^2 + 1706^2 .

It is a cyclic number.

It is not a de Polignac number, because 124152557 - 2⁶ = 124152493 is a prime.

Together with 124152559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124152559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62076278 + 62076279.

It is an arithmetic number, because the mean of its divisors is an integer number (62076279).

Almost surely, 2^124152557 is an apocalyptic number.

It is an amenable number.

124152557 is a deficient number, since it is larger than the sum of its proper divisors (1).

124152557 is an equidigital number, since it uses as much as digits as its factorization.

124152557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14000, while the sum is 32.

The square root of 124152557 is about 11142.3766315809. The cubic root of 124152557 is about 498.8675128825.

The spelling of 124152557 in words is "one hundred twenty-four million, one hundred fifty-two thousand, five hundred fifty-seven".