124221252 has 24 divisors (see below), whose sum is σ = 302452416. Its totient is φ = 39606688.

The previous prime is 124221211. The next prime is 124221257. The reversal of 124221252 is 252122421.

It is not an unprimeable number, because it can be changed into a prime (124221257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224763 + ... + 225314.

It is an arithmetic number, because the mean of its divisors is an integer number (12602184).

Almost surely, 2^124221252 is an apocalyptic number.

124221252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124221252 is an abundant number, since it is smaller than the sum of its proper divisors (178231164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124221252 is a wasteful number, since it uses less digits than its factorization.

124221252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450107 (or 450105 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 124221252 is about 11145.4588061685. The cubic root of 124221252 is about 498.9595055780.

Adding to 124221252 its reverse (252122421), we get a palindrome (376343673).

The spelling of 124221252 in words is "one hundred twenty-four million, two hundred twenty-one thousand, two hundred fifty-two".