125391134 has 16 divisors (see below), whose sum is σ = 205358976. Its totient is φ = 56947800.

The previous prime is 125391109. The next prime is 125391169. The reversal of 125391134 is 431193521.

It is a junction number, because it is equal to n+sod(n) for n = 125391097 and 125391106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44549 + ... + 47279.

It is an arithmetic number, because the mean of its divisors is an integer number (12834936).

Almost surely, 2^125391134 is an apocalyptic number.

125391134 is a deficient number, since it is larger than the sum of its proper divisors (79967842).

125391134 is a wasteful number, since it uses less digits than its factorization.

125391134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831.

The product of its digits is 3240, while the sum is 29.

The square root of 125391134 is about 11197.8182696452. The cubic root of 125391134 is about 500.5209689941.

The spelling of 125391134 in words is "one hundred twenty-five million, three hundred ninety-one thousand, one hundred thirty-four".