124440253 has 24 divisors (see below), whose sum is σ = 154547520. Its totient is φ = 99610560.

The previous prime is 124440191. The next prime is 124440269. The reversal of 124440253 is 352044421.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-124440253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124440053) 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, 67048 + ... + 68878.

It is an arithmetic number, because the mean of its divisors is an integer number (6439480).

Almost surely, 2^124440253 is an apocalyptic number.

It is an amenable number.

124440253 is a deficient number, since it is larger than the sum of its proper divisors (30107267).

124440253 is a wasteful number, since it uses less digits than its factorization.

124440253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 124440253 is about 11155.2791538356. The cubic root of 124440253 is about 499.2525538720.

Adding to 124440253 its reverse (352044421), we get a palindrome (476484674).

The spelling of 124440253 in words is "one hundred twenty-four million, four hundred forty thousand, two hundred fifty-three".