189125203 has 4 divisors (see below), whose sum is σ = 195226048. Its totient is φ = 183024360.

The previous prime is 189125191. The next prime is 189125219. The reversal of 189125203 is 302521981.

189125203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302521981 = 883 ⋅342607.

It is a cyclic number.

It is not a de Polignac number, because 189125203 - 2¹³ = 189117011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 6100813 = 189125203 / (1 + 8 + 9 + 1 + 2 + 5 + 2 + 0 + 3).

It is a Duffinian number.

189125203 is a modest number, since divided by 25203 gives 1891 as remainder.

It is not an unprimeable number, because it can be changed into a prime (189125243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050376 + ... + 3050437.

It is an arithmetic number, because the mean of its divisors is an integer number (48806512).

Almost surely, 2^189125203 is an apocalyptic number.

189125203 is a deficient number, since it is larger than the sum of its proper divisors (6100845).

189125203 is an equidigital number, since it uses as much as digits as its factorization.

189125203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100844.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 189125203 is about 13752.2799200714. The cubic root of 189125203 is about 574.0060489353.

The spelling of 189125203 in words is "one hundred eighty-nine million, one hundred twenty-five thousand, two hundred three".