124423249 has 2 divisors, whose sum is σ = 124423250. Its totient is φ = 124423248.

The previous prime is 124423219. The next prime is 124423291. The reversal of 124423249 is 942324421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111513600 + 12909649 = 10560^2 + 3593^2 .

It is a cyclic number.

It is not a de Polignac number, because 124423249 - 2⁷ = 124423121 is a prime.

It is a super-2 number, since 2×124423249² = 30962289783432002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124423249.

It is not a weakly prime, because it can be changed into another prime (124423219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62211624 + 62211625.

It is an arithmetic number, because the mean of its divisors is an integer number (62211625).

Almost surely, 2^124423249 is an apocalyptic number.

It is an amenable number.

124423249 is a deficient number, since it is larger than the sum of its proper divisors (1).

124423249 is an equidigital number, since it uses as much as digits as its factorization.

124423249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 124423249 is about 11154.5169774401. The cubic root of 124423249 is about 499.2298128995.

The spelling of 124423249 in words is "one hundred twenty-four million, four hundred twenty-three thousand, two hundred forty-nine".