191272 has 8 divisors (see below), whose sum is σ = 358650. Its totient is φ = 95632.

The previous prime is 191251. The next prime is 191281. The reversal of 191272 is 272191.

191272 is nontrivially palindromic in base 6.

191272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 188356 + 2916 = 434^2 + 54^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a pancake number, because a pancake can be divided into 191272 parts by 618 straight cuts.

It is an unprimeable number.

191272 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11947 + ... + 11962.

2¹⁹¹²⁷² is an apocalyptic number.

It is an amenable number.

191272 is a deficient number, since it is larger than the sum of its proper divisors (167378).

191272 is a wasteful number, since it uses less digits than its factorization.

191272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23915 (or 23911 counting only the distinct ones).

The product of its digits is 252, while the sum is 22.

The square root of 191272 is about 437.3465445159. The cubic root of 191272 is about 57.6169767346.

The spelling of 191272 in words is "one hundred ninety-one thousand, two hundred seventy-two".