18860125 has 8 divisors (see below), whose sum is σ = 23537592. Its totient is φ = 15088000.

The previous prime is 18860111. The next prime is 18860131. The reversal of 18860125 is 52106881.

It can be written as a sum of positive squares in 4 ways, for example, as 5508409 + 13351716 = 2347^2 + 3654^2 .

It is a de Polignac number, because none of the positive numbers 2^k-18860125 is a prime.

It is a Duffinian number.

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, 75316 + ... + 75565.

It is an arithmetic number, because the mean of its divisors is an integer number (2942199).

Almost surely, 2^18860125 is an apocalyptic number.

It is an amenable number.

18860125 is a deficient number, since it is larger than the sum of its proper divisors (4677467).

18860125 is an equidigital number, since it uses as much as digits as its factorization.

18860125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150896 (or 150886 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 18860125 is about 4342.8245417009. The cubic root of 18860125 is about 266.1837396739.

Subtracting 18860125 from its reverse (52106881), we obtain a square (33246756 = 5766²).

The spelling of 18860125 in words is "eighteen million, eight hundred sixty thousand, one hundred twenty-five".