1152271 has 8 divisors (see below), whose sum is σ = 1193984. Its totient is φ = 1111320.

The previous prime is 1152233. The next prime is 1152287. The reversal of 1152271 is 1722511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 3-Lehmer number, since φ(1152271) divides (1152271-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 1152271 - 2¹⁷ = 1021199 is a prime.

It is a deceptive number, since it divides R_1152270.

It is a Duffinian number.

1152271 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5356 + ... + 5566.

It is an arithmetic number, because the mean of its divisors is an integer number (149248).

It is a Poulet number, since it divides 2^1152270-1.

2^1152271 is an apocalyptic number.

1152271 is a deficient number, since it is larger than the sum of its proper divisors (41713).

1152271 is a wasteful number, since it uses less digits than its factorization.

1152271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381.

The product of its digits is 140, while the sum is 19.

The square root of 1152271 is about 1073.4388664475. The cubic root of 1152271 is about 104.8378752734.

Adding to 1152271 its reverse (1722511), we get a palindrome (2874782).

The spelling of 1152271 in words is "one million, one hundred fifty-two thousand, two hundred seventy-one".