125635249 has 8 divisors (see below), whose sum is σ = 128027520. Its totient is φ = 123251856.

The previous prime is 125635229. The next prime is 125635259. The reversal of 125635249 is 942536521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125635249 - 2⁵ = 125635217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125635229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30952 + ... + 34774.

It is an arithmetic number, because the mean of its divisors is an integer number (16003440).

Almost surely, 2^125635249 is an apocalyptic number.

It is an amenable number.

125635249 is a deficient number, since it is larger than the sum of its proper divisors (2392271).

125635249 is an equidigital number, since it uses as much as digits as its factorization.

125635249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439.

The product of its digits is 64800, while the sum is 37.

The square root of 125635249 is about 11208.7130840253. The cubic root of 125635249 is about 500.8455678905.

The spelling of 125635249 in words is "one hundred twenty-five million, six hundred thirty-five thousand, two hundred forty-nine".