125691853 has 8 divisors (see below), whose sum is σ = 143743808. Its totient is φ = 107663904.

The previous prime is 125691847. The next prime is 125691869. The reversal of 125691853 is 358196521.

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 125691853 - 2⁹ = 125691341 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 (125691833) 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, 7150 + ... + 17392.

It is an arithmetic number, because the mean of its divisors is an integer number (17967976).

Almost surely, 2^125691853 is an apocalyptic number.

It is an amenable number.

125691853 is a deficient number, since it is larger than the sum of its proper divisors (18051955).

125691853 is a wasteful number, since it uses less digits than its factorization.

125691853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12003.

The product of its digits is 64800, while the sum is 40.

The square root of 125691853 is about 11211.2377996366. The cubic root of 125691853 is about 500.9207739764.

The spelling of 125691853 in words is "one hundred twenty-five million, six hundred ninety-one thousand, eight hundred fifty-three".