123911325 has 18 divisors (see below), whose sum is σ = 221939354. Its totient is φ = 66085920.

The previous prime is 123911303. The next prime is 123911329. The reversal of 123911325 is 523119321.

It can be written as a sum of positive squares in 3 ways, for example, as 301401 + 123609924 = 549^2 + 11118^2 .

It is not a de Polignac number, because 123911325 - 2¹² = 123907229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123911329) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 275134 + ... + 275583.

Almost surely, 2^123911325 is an apocalyptic number.

123911325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123911325 is a deficient number, since it is larger than the sum of its proper divisors (98028029).

123911325 is a wasteful number, since it uses less digits than its factorization.

123911325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550733 (or 550725 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 123911325 is about 11131.5463885302. The cubic root of 123911325 is about 498.5441987325.

The spelling of 123911325 in words is "one hundred twenty-three million, nine hundred eleven thousand, three hundred twenty-five".