123601725 has 36 divisors (see below), whose sum is σ = 238419636. Its totient is φ = 60848640.

The previous prime is 123601721. The next prime is 123601733. The reversal of 123601725 is 527106321.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 12467961 + 111133764 = 3531^2 + 10542^2 .

It is not a de Polignac number, because 123601725 - 2² = 123601721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123601721) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18204 + ... + 24053.

Almost surely, 2^123601725 is an apocalyptic number.

123601725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123601725 is a deficient number, since it is larger than the sum of its proper divisors (114817911).

123601725 is a wasteful number, since it uses less digits than its factorization.

123601725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42286 (or 42278 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 123601725 is about 11117.6312674958. The cubic root of 123601725 is about 498.1286380805.

The spelling of 123601725 in words is "one hundred twenty-three million, six hundred one thousand, seven hundred twenty-five".