124413649 has 2 divisors, whose sum is σ = 124413650. Its totient is φ = 124413648.

The previous prime is 124413643. The next prime is 124413671. The reversal of 124413649 is 946314421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82228624 + 42185025 = 9068^2 + 6495^2 .

It is a cyclic number.

It is not a de Polignac number, because 124413649 - 2⁵ = 124413617 is a prime.

It is not a weakly prime, because it can be changed into another prime (124413643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62206824 + 62206825.

It is an arithmetic number, because the mean of its divisors is an integer number (62206825).

Almost surely, 2^124413649 is an apocalyptic number.

It is an amenable number.

124413649 is a deficient number, since it is larger than the sum of its proper divisors (1).

124413649 is an equidigital number, since it uses as much as digits as its factorization.

124413649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 124413649 is about 11154.0866501924. The cubic root of 124413649 is about 499.2169730444.

The spelling of 124413649 in words is "one hundred twenty-four million, four hundred thirteen thousand, six hundred forty-nine".