125453189 has 2 divisors, whose sum is σ = 125453190. Its totient is φ = 125453188.

The previous prime is 125453177. The next prime is 125453203. The reversal of 125453189 is 981354521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99341089 + 26112100 = 9967^2 + 5110^2 .

It is a cyclic number.

It is not a de Polignac number, because 125453189 - 2⁸ = 125452933 is a prime.

It is a super-3 number, since 3×125453189³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125458189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62726594 + 62726595.

It is an arithmetic number, because the mean of its divisors is an integer number (62726595).

Almost surely, 2^125453189 is an apocalyptic number.

It is an amenable number.

125453189 is a deficient number, since it is larger than the sum of its proper divisors (1).

125453189 is an equidigital number, since it uses as much as digits as its factorization.

125453189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The square root of 125453189 is about 11200.5887791669. The cubic root of 125453189 is about 500.6035232263.

The spelling of 125453189 in words is "one hundred twenty-five million, four hundred fifty-three thousand, one hundred eighty-nine".