109413125 has 10 divisors (see below), whose sum is σ = 136723422. Its totient is φ = 87530000.

The previous prime is 109413121. The next prime is 109413137. The reversal of 109413125 is 521314901.

It can be written as a sum of positive squares in 5 ways, for example, as 79459396 + 29953729 = 8914^2 + 5473^2 .

It is not a de Polignac number, because 109413125 - 2² = 109413121 is a prime.

It is a super-3 number, since 3×109413125³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109413094 and 109413103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109413121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 86906 + ... + 88155.

Almost surely, 2^109413125 is an apocalyptic number.

It is an amenable number.

109413125 is a deficient number, since it is larger than the sum of its proper divisors (27310297).

109413125 is an frugal number, since it uses more digits than its factorization.

109413125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175081 (or 175066 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 109413125 is about 10460.0728964955. The cubic root of 109413125 is about 478.2883553344.

The spelling of 109413125 in words is "one hundred nine million, four hundred thirteen thousand, one hundred twenty-five".