123453125 has 14 divisors (see below), whose sum is σ = 154333962. Its totient is φ = 98750000.

The previous prime is 123453119. The next prime is 123453151. The reversal of 123453125 is 521354321.

It is a happy number.

It can be written as a sum of positive squares in 7 ways, for example, as 122965921 + 487204 = 11089^2 + 698^2 .

It is not a de Polignac number, because 123453125 - 2¹⁴ = 123436741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123453094 and 123453103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11675 + ... + 19575.

Almost surely, 2^123453125 is an apocalyptic number.

It is an amenable number.

123453125 is a deficient number, since it is larger than the sum of its proper divisors (30880837).

123453125 is an frugal number, since it uses more digits than its factorization.

123453125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931 (or 7906 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 123453125 is about 11110.9461793314. The cubic root of 123453125 is about 497.9289332093.

The spelling of 123453125 in words is "one hundred twenty-three million, four hundred fifty-three thousand, one hundred twenty-five".