124965239 has 12 divisors (see below), whose sum is σ = 145935504. Its totient is φ = 106694784.

The previous prime is 124965227. The next prime is 124965241. The reversal of 124965239 is 932569421.

It is not a de Polignac number, because 124965239 - 2¹⁶ = 124899703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124965196 and 124965205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124965209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8039 + ... + 17735.

It is an arithmetic number, because the mean of its divisors is an integer number (12161292).

Almost surely, 2^124965239 is an apocalyptic number.

124965239 is a deficient number, since it is larger than the sum of its proper divisors (20970265).

124965239 is an equidigital number, since it uses as much as digits as its factorization.

124965239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9974 (or 9967 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 124965239 is about 11178.7852202285. The cubic root of 124965239 is about 499.9536477031.

The spelling of 124965239 in words is "one hundred twenty-four million, nine hundred sixty-five thousand, two hundred thirty-nine".