124242025 has 6 divisors (see below), whose sum is σ = 154060142. Its totient is φ = 99393600.

The previous prime is 124241993. The next prime is 124242049. The reversal of 124242025 is 520242421.

It can be written as a sum of positive squares in 3 ways, for example, as 29452329 + 94789696 = 5427^2 + 9736^2 .

It is not a de Polignac number, because 124242025 - 2⁵ = 124241993 is a prime.

It is a super-2 number, since 2×124242025² = 30872161552201250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124241987 and 124242005.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2484816 + ... + 2484865.

Almost surely, 2^124242025 is an apocalyptic number.

It is an amenable number.

124242025 is a deficient number, since it is larger than the sum of its proper divisors (29818117).

124242025 is an equidigital number, since it uses as much as digits as its factorization.

124242025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969691 (or 4969686 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 124242025 is about 11146.3906714236. The cubic root of 124242025 is about 498.9873169977.

Adding to 124242025 its reverse (520242421), we get a palindrome (644484446).

The spelling of 124242025 in words is "one hundred twenty-four million, two hundred forty-two thousand, twenty-five".