125549265 has 32 divisors (see below), whose sum is σ = 208615680. Its totient is φ = 64399104.

The previous prime is 125549261. The next prime is 125549273. The reversal of 125549265 is 562945521.

It is not a de Polignac number, because 125549265 - 2² = 125549261 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125549261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172332 + ... + 173058.

It is an arithmetic number, because the mean of its divisors is an integer number (6519240).

Almost surely, 2^125549265 is an apocalyptic number.

125549265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125549265 is a deficient number, since it is larger than the sum of its proper divisors (83066415).

125549265 is a wasteful number, since it uses less digits than its factorization.

125549265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161.

The product of its digits is 108000, while the sum is 39.

The square root of 125549265 is about 11204.8768400193. The cubic root of 125549265 is about 500.7312832615.

The spelling of 125549265 in words is "one hundred twenty-five million, five hundred forty-nine thousand, two hundred sixty-five".