107109025 has 24 divisors (see below), whose sum is σ = 136297080. Its totient is φ = 83466240.

The previous prime is 107109019. The next prime is 107109029. The reversal of 107109025 is 520901701.

It can be written as a sum of positive squares in 12 ways, for example, as 4532641 + 102576384 = 2129^2 + 10128^2 .

It is not a de Polignac number, because 107109025 - 2²³ = 98720417 is a prime.

It is a super-2 number, since 2×107109025² = 22944686472901250, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (107109029) 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, 303249 + ... + 303601.

It is an arithmetic number, because the mean of its divisors is an integer number (5679045).

Almost surely, 2^107109025 is an apocalyptic number.

It is an amenable number.

107109025 is a deficient number, since it is larger than the sum of its proper divisors (29188055).

107109025 is a wasteful number, since it uses less digits than its factorization.

107109025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 107109025 is about 10349.3490133438. The cubic root of 107109025 is about 474.9071286575.

The spelling of 107109025 in words is "one hundred seven million, one hundred nine thousand, twenty-five".