124126425 has 30 divisors (see below), whose sum is σ = 229928798. Its totient is φ = 66199680.

The previous prime is 124126421. The next prime is 124126439. The reversal of 124126425 is 524621421.

124126425 is a `hidden beast` number, since 1 + 2 + 4 + 12 + 642 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2178576 + 121947849 = 1476^2 + 11043^2 .

It is not a de Polignac number, because 124126425 - 2² = 124126421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124126421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 28624 + ... + 32673.

Almost surely, 2^124126425 is an apocalyptic number.

124126425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124126425 is a deficient number, since it is larger than the sum of its proper divisors (105802373).

124126425 is an equidigital number, since it uses as much as digits as its factorization.

124126425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61319 (or 61305 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 124126425 is about 11141.2039295581. The cubic root of 124126425 is about 498.8325093864.

Adding to 124126425 its reverse (524621421), we get a palindrome (648747846).

The spelling of 124126425 in words is "one hundred twenty-four million, one hundred twenty-six thousand, four hundred twenty-five".