191265 has 16 divisors (see below), whose sum is σ = 314496. Its totient is φ = 99200.

The previous prime is 191251. The next prime is 191281. The reversal of 191265 is 562191.

191265 is nontrivially palindromic in base 12.

191265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 191265 - 2⁴ = 191249 is a prime.

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, 460 + ... + 770.

It is an arithmetic number, because the mean of its divisors is an integer number (19656).

2¹⁹¹²⁶⁵ is an apocalyptic number.

191265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

191265 is a deficient number, since it is larger than the sum of its proper divisors (123231).

191265 is a wasteful number, since it uses less digits than its factorization.

191265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its digits is 540, while the sum is 24.

The square root of 191265 is about 437.3385416357. The cubic root of 191265 is about 57.6162738546.

The spelling of 191265 in words is "one hundred ninety-one thousand, two hundred sixty-five".