123152125 has 32 divisors (see below), whose sum is σ = 162246240. Its totient is φ = 93184000.

The previous prime is 123152123. The next prime is 123152137. The reversal of 123152125 is 521251321.

It can be written as a sum of positive squares in 16 ways, for example, as 43639236 + 79512889 = 6606^2 + 8917^2 .

It is not a de Polignac number, because 123152125 - 2¹ = 123152123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123152096 and 123152105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123152123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191805 + ... + 192445.

It is an arithmetic number, because the mean of its divisors is an integer number (5070195).

Almost surely, 2^123152125 is an apocalyptic number.

It is an amenable number.

123152125 is a deficient number, since it is larger than the sum of its proper divisors (39094115).

123152125 is an equidigital number, since it uses as much as digits as its factorization.

123152125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 728 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 123152125 is about 11097.3927118040. The cubic root of 123152125 is about 497.5239250129.

The spelling of 123152125 in words is "one hundred twenty-three million, one hundred fifty-two thousand, one hundred twenty-five".