124712057 has 2 divisors, whose sum is σ = 124712058. Its totient is φ = 124712056.

The previous prime is 124712047. The next prime is 124712069. The reversal of 124712057 is 750217421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120472576 + 4239481 = 10976^2 + 2059^2 .

It is an emirp because it is prime and its reverse (750217421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124712057 - 2⁴ = 124712041 is a prime.

It is a super-2 number, since 2×124712057² = 31106194322342498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124712047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62356028 + 62356029.

It is an arithmetic number, because the mean of its divisors is an integer number (62356029).

Almost surely, 2^124712057 is an apocalyptic number.

It is an amenable number.

124712057 is a deficient number, since it is larger than the sum of its proper divisors (1).

124712057 is an equidigital number, since it uses as much as digits as its factorization.

124712057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 124712057 is about 11167.4552607118. The cubic root of 124712057 is about 499.6157808269.

Adding to 124712057 its reverse (750217421), we get a palindrome (874929478).

The spelling of 124712057 in words is "one hundred twenty-four million, seven hundred twelve thousand, fifty-seven".