125849845 has 16 divisors (see below), whose sum is σ = 165162240. Its totient is φ = 91297600.

The previous prime is 125849833. The next prime is 125849851. The reversal of 125849845 is 548948521.

It is not a de Polignac number, because 125849845 - 2¹¹ = 125847797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125849795 and 125849804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21051 + ... + 26359.

It is an arithmetic number, because the mean of its divisors is an integer number (10322640).

Almost surely, 2^125849845 is an apocalyptic number.

It is an amenable number.

125849845 is a deficient number, since it is larger than the sum of its proper divisors (39312395).

125849845 is a wasteful number, since it uses less digits than its factorization.

125849845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756.

The product of its digits is 460800, while the sum is 46.

The square root of 125849845 is about 11218.2817311743. The cubic root of 125849845 is about 501.1305683702.

The spelling of 125849845 in words is "one hundred twenty-five million, eight hundred forty-nine thousand, eight hundred forty-five".