124643425 has 12 divisors (see below), whose sum is σ = 154701036. Its totient is φ = 99622400.

The previous prime is 124643381. The next prime is 124643437. The reversal of 124643425 is 524346421.

It can be written as a sum of positive squares in 6 ways, for example, as 6964321 + 117679104 = 2639^2 + 10848^2 .

It is not a de Polignac number, because 124643425 - 2⁹ = 124642913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41577 + ... + 44473.

It is an arithmetic number, because the mean of its divisors is an integer number (12891753).

Almost surely, 2^124643425 is an apocalyptic number.

It is an amenable number.

124643425 is a deficient number, since it is larger than the sum of its proper divisors (30057611).

124643425 is a wasteful number, since it uses less digits than its factorization.

124643425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628 (or 4623 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 124643425 is about 11164.3819802083. The cubic root of 124643425 is about 499.5241138752.

Adding to 124643425 its reverse (524346421), we get a palindrome (648989846).

The spelling of 124643425 in words is "one hundred twenty-four million, six hundred forty-three thousand, four hundred twenty-five".