125965047 has 32 divisors (see below), whose sum is σ = 185976000. Its totient is φ = 75359232.

The previous prime is 125965039. The next prime is 125965051. The reversal of 125965047 is 740569521.

It is not a de Polignac number, because 125965047 - 2³ = 125965039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 125964996 and 125965014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125965027) 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, 307779 + ... + 308187.

It is an arithmetic number, because the mean of its divisors is an integer number (5811750).

Almost surely, 2^125965047 is an apocalyptic number.

125965047 is a deficient number, since it is larger than the sum of its proper divisors (60010953).

125965047 is a wasteful number, since it uses less digits than its factorization.

125965047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 125965047 is about 11223.4151219671. The cubic root of 125965047 is about 501.2834321186.

The spelling of 125965047 in words is "one hundred twenty-five million, nine hundred sixty-five thousand, forty-seven".