123841925 has 6 divisors (see below), whose sum is σ = 153564018. Its totient is φ = 99073520.

The previous prime is 123841909. The next prime is 123841999. The reversal of 123841925 is 529148321.

It can be written as a sum of positive squares in 3 ways, for example, as 209764 + 123632161 = 458^2 + 11119^2 .

It is not a de Polignac number, because 123841925 - 2⁴ = 123841909 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2476814 + ... + 2476863.

It is an arithmetic number, because the mean of its divisors is an integer number (25594003).

Almost surely, 2^123841925 is an apocalyptic number.

It is an amenable number.

123841925 is a deficient number, since it is larger than the sum of its proper divisors (29722093).

123841925 is an equidigital number, since it uses as much as digits as its factorization.

123841925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953687 (or 4953682 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 123841925 is about 11128.4286851289. The cubic root of 123841925 is about 498.4511068143.

The spelling of 123841925 in words is "one hundred twenty-three million, eight hundred forty-one thousand, nine hundred twenty-five".