124491253 has 2 divisors, whose sum is σ = 124491254. Its totient is φ = 124491252.

The previous prime is 124491247. The next prime is 124491271. The reversal of 124491253 is 352194421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82410084 + 42081169 = 9078^2 + 6487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124491253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124491233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62245626 + 62245627.

It is an arithmetic number, because the mean of its divisors is an integer number (62245627).

Almost surely, 2^124491253 is an apocalyptic number.

It is an amenable number.

124491253 is a deficient number, since it is larger than the sum of its proper divisors (1).

124491253 is an equidigital number, since it uses as much as digits as its factorization.

124491253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 124491253 is about 11157.5648328836. The cubic root of 124491253 is about 499.3207483188.

The spelling of 124491253 in words is "one hundred twenty-four million, four hundred ninety-one thousand, two hundred fifty-three".