125983189 has 4 divisors (see below), whose sum is σ = 126756256. Its totient is φ = 125210124.

The previous prime is 125983183. The next prime is 125983217. The reversal of 125983189 is 981389521.

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: 981389521 = 7 ⋅140198503.

It is a cyclic number.

It is not a de Polignac number, because 125983189 - 2⁵ = 125983157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125983183) 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, 386289 + ... + 386614.

It is an arithmetic number, because the mean of its divisors is an integer number (31689064).

Almost surely, 2^125983189 is an apocalyptic number.

It is an amenable number.

125983189 is a deficient number, since it is larger than the sum of its proper divisors (773067).

125983189 is an equidigital number, since it uses as much as digits as its factorization.

125983189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773066.

The product of its digits is 155520, while the sum is 46.

The square root of 125983189 is about 11224.2233138868. The cubic root of 125983189 is about 501.3074965917.

It can be divided in two parts, 1259 and 83189, that added together give a palindrome (84448).

The spelling of 125983189 in words is "one hundred twenty-five million, nine hundred eighty-three thousand, one hundred eighty-nine".