125449317 has 20 divisors (see below), whose sum is σ = 214171936. Its totient is φ = 71685000.

The previous prime is 125449309. The next prime is 125449369. The reversal of 125449317 is 713944521.

125449317 is a `hidden beast` number, since 12 + 544 + 93 + 17 = 666.

It is not a de Polignac number, because 125449317 - 2³ = 125449309 is a prime.

It is a super-2 number, since 2×125449317² = 31475062271532978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125449117) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 110059 + ... + 111192.

Almost surely, 2^125449317 is an apocalyptic number.

It is an amenable number.

125449317 is a deficient number, since it is larger than the sum of its proper divisors (88722619).

125449317 is an equidigital number, since it uses as much as digits as its factorization.

125449317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221270 (or 221261 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 125449317 is about 11200.4159297769. The cubic root of 125449317 is about 500.5983729473.

The spelling of 125449317 in words is "one hundred twenty-five million, four hundred forty-nine thousand, three hundred seventeen".