123342125 has 8 divisors (see below), whose sum is σ = 153931128. Its totient is φ = 98673600.

The previous prime is 123342101. The next prime is 123342137. The reversal of 123342125 is 521243321.

It can be written as a sum of positive squares in 4 ways, for example, as 6421156 + 116920969 = 2534^2 + 10813^2 .

It is a de Polignac number, because none of the positive numbers 2^k-123342125 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123342125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493244 + ... + 493493.

It is an arithmetic number, because the mean of its divisors is an integer number (19241391).

Almost surely, 2^123342125 is an apocalyptic number.

It is an amenable number.

123342125 is a deficient number, since it is larger than the sum of its proper divisors (30589003).

123342125 is an frugal number, since it uses more digits than its factorization.

123342125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986752 (or 986742 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 123342125 is about 11105.9499818791. The cubic root of 123342125 is about 497.7796547286.

Adding to 123342125 its reverse (521243321), we get a palindrome (644585446).

The spelling of 123342125 in words is "one hundred twenty-three million, three hundred forty-two thousand, one hundred twenty-five".