121182271 has 16 divisors (see below), whose sum is σ = 143922240. Its totient is φ = 99832320.

The previous prime is 121182253. The next prime is 121182277. The reversal of 121182271 is 172281121.

It is a happy number.

It is not a de Polignac number, because 121182271 - 2¹⁷ = 121051199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121182277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47685 + ... + 50161.

It is an arithmetic number, because the mean of its divisors is an integer number (8995140).

Almost surely, 2^121182271 is an apocalyptic number.

121182271 is a deficient number, since it is larger than the sum of its proper divisors (22739969).

121182271 is a wasteful number, since it uses less digits than its factorization.

121182271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754.

The product of its digits is 448, while the sum is 25.

The square root of 121182271 is about 11008.2819277124. The cubic root of 121182271 is about 494.8569746290.

The spelling of 121182271 in words is "one hundred twenty-one million, one hundred eighty-two thousand, two hundred seventy-one".