124312025 has 6 divisors (see below), whose sum is σ = 154146942. Its totient is φ = 99449600.

The previous prime is 124312021. The next prime is 124312043. The reversal of 124312025 is 520213421.

It can be written as a sum of positive squares in 3 ways, for example, as 3575881 + 120736144 = 1891^2 + 10988^2 .

It is not a de Polignac number, because 124312025 - 2² = 124312021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124311988 and 124312006.

It is not an unprimeable number, because it can be changed into a prime (124312021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2486216 + ... + 2486265.

It is an arithmetic number, because the mean of its divisors is an integer number (25691157).

Almost surely, 2^124312025 is an apocalyptic number.

It is an amenable number.

124312025 is a deficient number, since it is larger than the sum of its proper divisors (29834917).

124312025 is an equidigital number, since it uses as much as digits as its factorization.

124312025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972491 (or 4972486 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 124312025 is about 11149.5302591634. The cubic root of 124312025 is about 499.0810119568.

Adding to 124312025 its reverse (520213421), we get a palindrome (644525446).

The spelling of 124312025 in words is "one hundred twenty-four million, three hundred twelve thousand, twenty-five".