123146125 has 24 divisors (see below), whose sum is σ = 162260280. Its totient is φ = 93297600.

The previous prime is 123146123. The next prime is 123146131. The reversal of 123146125 is 521641321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 866761 + 122279364 = 931^2 + 11058^2 .

It is not a de Polignac number, because 123146125 - 2¹ = 123146123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 123146125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123146123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43761 + ... + 46489.

It is an arithmetic number, because the mean of its divisors is an integer number (6760845).

Almost surely, 2^123146125 is an apocalyptic number.

It is an amenable number.

123146125 is a deficient number, since it is larger than the sum of its proper divisors (39114155).

123146125 is an equidigital number, since it uses as much as digits as its factorization.

123146125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 2753 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 123146125 is about 11097.1223747420. The cubic root of 123146125 is about 497.5158450548.

Adding to 123146125 its reverse (521641321), we get a palindrome (644787446).

The spelling of 123146125 in words is "one hundred twenty-three million, one hundred forty-six thousand, one hundred twenty-five".