249795124 has 12 divisors (see below), whose sum is σ = 447803748. Its totient is φ = 121851200.

The previous prime is 249795121. The next prime is 249795131. The reversal of 249795124 is 421597942.

249795124 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27248400 + 222546724 = 5220^2 + 14918^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249795121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761407 + ... + 761734.

It is an arithmetic number, because the mean of its divisors is an integer number (37316979).

Almost surely, 2^249795124 is an apocalyptic number.

It is an amenable number.

249795124 is a deficient number, since it is larger than the sum of its proper divisors (198008624).

249795124 is a wasteful number, since it uses less digits than its factorization.

249795124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523186 (or 1523184 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 249795124 is about 15804.9082249787. The cubic root of 249795124 is about 629.7883928612.

It can be divided in two parts, 24979 and 5124, that added together give a palindrome (30103).

The spelling of 249795124 in words is "two hundred forty-nine million, seven hundred ninety-five thousand, one hundred twenty-four".