124554013 has 2 divisors, whose sum is σ = 124554014. Its totient is φ = 124554012.

The previous prime is 124553977. The next prime is 124554029. The reversal of 124554013 is 310455421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119180889 + 5373124 = 10917^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 124554013 - 2⁹ = 124553501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124554413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62277006 + 62277007.

It is an arithmetic number, because the mean of its divisors is an integer number (62277007).

Almost surely, 2^124554013 is an apocalyptic number.

It is an amenable number.

124554013 is a deficient number, since it is larger than the sum of its proper divisors (1).

124554013 is an equidigital number, since it uses as much as digits as its factorization.

124554013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 124554013 is about 11160.3769201582. The cubic root of 124554013 is about 499.4046420458.

The spelling of 124554013 in words is "one hundred twenty-four million, five hundred fifty-four thousand, thirteen".