125024189 has 2 divisors, whose sum is σ = 125024190. Its totient is φ = 125024188.

The previous prime is 125024149. The next prime is 125024213. The reversal of 125024189 is 981420521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103327225 + 21696964 = 10165^2 + 4658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125024189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125024149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62512094 + 62512095.

It is an arithmetic number, because the mean of its divisors is an integer number (62512095).

Almost surely, 2^125024189 is an apocalyptic number.

It is an amenable number.

125024189 is a deficient number, since it is larger than the sum of its proper divisors (1).

125024189 is an equidigital number, since it uses as much as digits as its factorization.

125024189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 125024189 is about 11181.4216001365. The cubic root of 125024189 is about 500.0322499198.

The spelling of 125024189 in words is "one hundred twenty-five million, twenty-four thousand, one hundred eighty-nine".