124120425 has 96 divisors (see below), whose sum is σ = 245984256. Its totient is φ = 54432000.

The previous prime is 124120391. The next prime is 124120429. The reversal of 124120425 is 524021421.

124120425 = 1551² + 1552² + ... + 1600².

It is not a de Polignac number, because 124120425 - 2⁶ = 124120361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124120429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 761394 + ... + 761556.

It is an arithmetic number, because the mean of its divisors is an integer number (2562336).

Almost surely, 2^124120425 is an apocalyptic number.

124120425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124120425 is a deficient number, since it is larger than the sum of its proper divisors (121863831).

124120425 is a wasteful number, since it uses less digits than its factorization.

124120425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 266 counting only the distinct ones).

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

The square root of 124120425 is about 11140.9346555843. The cubic root of 124120425 is about 498.8244717660.

Adding to 124120425 its reverse (524021421), we get a palindrome (648141846).

The spelling of 124120425 in words is "one hundred twenty-four million, one hundred twenty thousand, four hundred twenty-five".