125189 has 4 divisors (see below), whose sum is σ = 130656. Its totient is φ = 119724.

The previous prime is 125183. The next prime is 125197. The reversal of 125189 is 981521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 981521 = 19 ⋅51659.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125189 is a prime.

It is a super-3 number, since 3×125189³ = 5885993331378807, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125183) 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, 2699 + ... + 2744.

It is an arithmetic number, because the mean of its divisors is an integer number (32664).

2¹²⁵¹⁸⁹ is an apocalyptic number.

It is an amenable number.

125189 is a deficient number, since it is larger than the sum of its proper divisors (5467).

125189 is an equidigital number, since it uses as much as digits as its factorization.

125189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466.

The product of its digits is 720, while the sum is 26.

The square root of 125189 is about 353.8205759986. The cubic root of 125189 is about 50.0251873099.

The spelling of 125189 in words is "one hundred twenty-five thousand, one hundred eighty-nine".