18670125 has 16 divisors (see below), whose sum is σ = 31067712. Its totient is φ = 9957200.

The previous prime is 18670123. The next prime is 18670177. The reversal of 18670125 is 52107681.

It is not a de Polignac number, because 18670125 - 2¹ = 18670123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18670092 and 18670101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18670121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24519 + ... + 25268.

It is an arithmetic number, because the mean of its divisors is an integer number (1941732).

Almost surely, 2^18670125 is an apocalyptic number.

18670125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18670125 is a deficient number, since it is larger than the sum of its proper divisors (12397587).

18670125 is an equidigital number, since it uses as much as digits as its factorization.

18670125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49805 (or 49795 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 18670125 is about 4320.8940047171. The cubic root of 18670125 is about 265.2868615460.

The spelling of 18670125 in words is "eighteen million, six hundred seventy thousand, one hundred twenty-five".