125189473 has 2 divisors, whose sum is σ = 125189474. Its totient is φ = 125189472.

The previous prime is 125189453. The next prime is 125189497. The reversal of 125189473 is 374981521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118548544 + 6640929 = 10888^2 + 2577^2 .

It is a cyclic number.

It is not a de Polignac number, because 125189473 - 2⁹ = 125188961 is a prime.

It is not a weakly prime, because it can be changed into another prime (125189413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62594736 + 62594737.

It is an arithmetic number, because the mean of its divisors is an integer number (62594737).

Almost surely, 2^125189473 is an apocalyptic number.

It is an amenable number.

125189473 is a deficient number, since it is larger than the sum of its proper divisors (1).

125189473 is an equidigital number, since it uses as much as digits as its factorization.

125189473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 125189473 is about 11188.8101690930. The cubic root of 125189473 is about 500.2525031295.

The spelling of 125189473 in words is "one hundred twenty-five million, one hundred eighty-nine thousand, four hundred seventy-three".