124298549 has 2 divisors, whose sum is σ = 124298550. Its totient is φ = 124298548.

The previous prime is 124298527. The next prime is 124298567. The reversal of 124298549 is 945892421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118417924 + 5880625 = 10882^2 + 2425^2 .

It is a cyclic number.

It is not a de Polignac number, because 124298549 - 2¹² = 124294453 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124298599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62149274 + 62149275.

It is an arithmetic number, because the mean of its divisors is an integer number (62149275).

Almost surely, 2^124298549 is an apocalyptic number.

It is an amenable number.

124298549 is a deficient number, since it is larger than the sum of its proper divisors (1).

124298549 is an equidigital number, since it uses as much as digits as its factorization.

124298549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 124298549 is about 11148.9259123917. The cubic root of 124298549 is about 499.0629770730.

The spelling of 124298549 in words is "one hundred twenty-four million, two hundred ninety-eight thousand, five hundred forty-nine".