125259349 has 4 divisors (see below), whose sum is σ = 132627564. Its totient is φ = 117891136.

The previous prime is 125259331. The next prime is 125259359. The reversal of 125259349 is 943952521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116791249 + 8468100 = 10807^2 + 2910^2 .

It is a cyclic number.

It is not a de Polignac number, because 125259349 - 2⁷ = 125259221 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 (125259359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3684082 + ... + 3684115.

It is an arithmetic number, because the mean of its divisors is an integer number (33156891).

Almost surely, 2^125259349 is an apocalyptic number.

It is an amenable number.

125259349 is a deficient number, since it is larger than the sum of its proper divisors (7368215).

125259349 is an equidigital number, since it uses as much as digits as its factorization.

125259349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7368214.

The product of its digits is 97200, while the sum is 40.

The square root of 125259349 is about 11191.9323175223. The cubic root of 125259349 is about 500.3455597885.

The spelling of 125259349 in words is "one hundred twenty-five million, two hundred fifty-nine thousand, three hundred forty-nine".