124440849 has 12 divisors (see below), whose sum is σ = 193574836. Its totient is φ = 76578912.

The previous prime is 124440809. The next prime is 124440857. The reversal of 124440849 is 948044421.

124440849 is a `hidden beast` number, since 1 + 244 + 408 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45319824 + 79121025 = 6732^2 + 8895^2 .

It is not a de Polignac number, because 124440849 - 2⁸ = 124440593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124440809) 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 in 11 ways as a sum of consecutive naturals, for example, 531682 + ... + 531915.

Almost surely, 2^124440849 is an apocalyptic number.

It is an amenable number.

124440849 is a deficient number, since it is larger than the sum of its proper divisors (69133987).

124440849 is a wasteful number, since it uses less digits than its factorization.

124440849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063616 (or 1063613 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 124440849 is about 11155.3058676130. The cubic root of 124440849 is about 499.2533509186.

The spelling of 124440849 in words is "one hundred twenty-four million, four hundred forty thousand, eight hundred forty-nine".