124995249 has 24 divisors (see below), whose sum is σ = 188908200. Its totient is φ = 79537920.

The previous prime is 124995229. The next prime is 124995251. The reversal of 124995249 is 942599421.

It can be written as a sum of positive squares in 4 ways, for example, as 2782224 + 122213025 = 1668^2 + 11055^2 .

It is not a de Polignac number, because 124995249 - 2¹⁷ = 124864177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124995229) 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, 20539 + ... + 25919.

It is an arithmetic number, because the mean of its divisors is an integer number (7871175).

Almost surely, 2^124995249 is an apocalyptic number.

It is an amenable number.

124995249 is a deficient number, since it is larger than the sum of its proper divisors (63912951).

124995249 is a wasteful number, since it uses less digits than its factorization.

124995249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505 (or 5502 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 124995249 is about 11180.1274143008. The cubic root of 124995249 is about 499.9936652531.

The spelling of 124995249 in words is "one hundred twenty-four million, nine hundred ninety-five thousand, two hundred forty-nine".