124494389 has 2 divisors, whose sum is σ = 124494390. Its totient is φ = 124494388.

The previous prime is 124494371. The next prime is 124494413. The reversal of 124494389 is 983494421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89151364 + 35343025 = 9442^2 + 5945^2 .

It is a cyclic number.

It is not a de Polignac number, because 124494389 - 2⁸ = 124494133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124494319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62247194 + 62247195.

It is an arithmetic number, because the mean of its divisors is an integer number (62247195).

Almost surely, 2^124494389 is an apocalyptic number.

It is an amenable number.

124494389 is a deficient number, since it is larger than the sum of its proper divisors (1).

124494389 is an equidigital number, since it uses as much as digits as its factorization.

124494389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The square root of 124494389 is about 11157.7053644555. The cubic root of 124494389 is about 499.3249410009.

The spelling of 124494389 in words is "one hundred twenty-four million, four hundred ninety-four thousand, three hundred eighty-nine".