124406257 has 2 divisors, whose sum is σ = 124406258. Its totient is φ = 124406256.

The previous prime is 124406239. The next prime is 124406263. The reversal of 124406257 is 752604421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91412721 + 32993536 = 9561^2 + 5744^2 .

It is a cyclic number.

It is not a de Polignac number, because 124406257 - 2¹⁹ = 123881969 is a prime.

It is not a weakly prime, because it can be changed into another prime (124406207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62203128 + 62203129.

It is an arithmetic number, because the mean of its divisors is an integer number (62203129).

Almost surely, 2^124406257 is an apocalyptic number.

It is an amenable number.

124406257 is a deficient number, since it is larger than the sum of its proper divisors (1).

124406257 is an equidigital number, since it uses as much as digits as its factorization.

124406257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 124406257 is about 11153.7552868978. The cubic root of 124406257 is about 499.2070859058.

The spelling of 124406257 in words is "one hundred twenty-four million, four hundred six thousand, two hundred fifty-seven".