191134125 has 96 divisors (see below), whose sum is σ = 424290048. Its totient is φ = 80611200.

The previous prime is 191134123. The next prime is 191134159. The reversal of 191134125 is 521431191.

It is a happy number.

It is not a de Polignac number, because 191134125 - 2¹ = 191134123 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 (191134121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 101442 + ... + 103308.

It is an arithmetic number, because the mean of its divisors is an integer number (4419688).

Almost surely, 2^191134125 is an apocalyptic number.

191134125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

191134125 is an abundant number, since it is smaller than the sum of its proper divisors (233155923).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191134125 is a wasteful number, since it uses less digits than its factorization.

191134125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908 (or 1895 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 191134125 is about 13825.1265816990. The cubic root of 191134125 is about 576.0312935111.

The spelling of 191134125 in words is "one hundred ninety-one million, one hundred thirty-four thousand, one hundred twenty-five".