189667125 has 48 divisors (see below), whose sum is σ = 348467184. Its totient is φ = 99216000.

The previous prime is 189667111. The next prime is 189667129. The reversal of 189667125 is 521766981.

It can be written as a sum of positive squares in 8 ways, for example, as 87272964 + 102394161 = 9342^2 + 10119^2 .

It is not a de Polignac number, because 189667125 - 2⁶ = 189667061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189667129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58035 + ... + 61215.

It is an arithmetic number, because the mean of its divisors is an integer number (7259733).

Almost surely, 2^189667125 is an apocalyptic number.

189667125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189667125 is a deficient number, since it is larger than the sum of its proper divisors (158800059).

189667125 is a wasteful number, since it uses less digits than its factorization.

189667125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255 (or 3242 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 189667125 is about 13771.9688134994. The cubic root of 189667125 is about 574.5537810932.

The spelling of 189667125 in words is "one hundred eighty-nine million, six hundred sixty-seven thousand, one hundred twenty-five".