125645853 has 16 divisors (see below), whose sum is σ = 172872000. Its totient is φ = 81121920.

The previous prime is 125645813. The next prime is 125645857. The reversal of 125645853 is 358546521.

It is not a de Polignac number, because 125645853 - 2⁹ = 125645341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125645857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13423 + ... + 20771.

It is an arithmetic number, because the mean of its divisors is an integer number (10804500).

Almost surely, 2^125645853 is an apocalyptic number.

It is an amenable number.

125645853 is a deficient number, since it is larger than the sum of its proper divisors (47226147).

125645853 is a wasteful number, since it uses less digits than its factorization.

125645853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7532.

The product of its digits is 144000, while the sum is 39.

The square root of 125645853 is about 11209.1860989101. The cubic root of 125645853 is about 500.8596584609.

The spelling of 125645853 in words is "one hundred twenty-five million, six hundred forty-five thousand, eight hundred fifty-three".