124549553 has 2 divisors, whose sum is σ = 124549554. Its totient is φ = 124549552.

The previous prime is 124549501. The next prime is 124549567. The reversal of 124549553 is 355945421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97851664 + 26697889 = 9892^2 + 5167^2 .

It is a cyclic number.

It is not a de Polignac number, because 124549553 - 2⁸ = 124549297 is a prime.

It is not a weakly prime, because it can be changed into another prime (124549153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62274776 + 62274777.

It is an arithmetic number, because the mean of its divisors is an integer number (62274777).

Almost surely, 2^124549553 is an apocalyptic number.

It is an amenable number.

124549553 is a deficient number, since it is larger than the sum of its proper divisors (1).

124549553 is an equidigital number, since it uses as much as digits as its factorization.

124549553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 38.

The square root of 124549553 is about 11160.1771043295. The cubic root of 124549553 is about 499.3986811211.

The spelling of 124549553 in words is "one hundred twenty-four million, five hundred forty-nine thousand, five hundred fifty-three".