124945317 has 24 divisors (see below), whose sum is σ = 210652416. Its totient is φ = 69876576.

The previous prime is 124945307. The next prime is 124945319. The reversal of 124945317 is 713549421.

It is not a de Polignac number, because 124945317 - 2¹⁰ = 124944293 is a prime.

It is a super-2 number, since 2×124945317² = 31222664480460978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124945319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18138 + ... + 24059.

It is an arithmetic number, because the mean of its divisors is an integer number (8777184).

Almost surely, 2^124945317 is an apocalyptic number.

It is an amenable number.

124945317 is a deficient number, since it is larger than the sum of its proper divisors (85707099).

124945317 is a wasteful number, since it uses less digits than its factorization.

124945317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42257 (or 42254 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 124945317 is about 11177.8941218818. The cubic root of 124945317 is about 499.9270786988.

The spelling of 124945317 in words is "one hundred twenty-four million, nine hundred forty-five thousand, three hundred seventeen".