1152971 has 4 divisors (see below), whose sum is σ = 1156200. Its totient is φ = 1149744.

The previous prime is 1152941. The next prime is 1152979. The reversal of 1152971 is 1792511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1152971 - 2¹⁴ = 1136587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152971.

It is not an unprimeable number, because it can be changed into a prime (1152979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001 + ... + 1818.

It is an arithmetic number, because the mean of its divisors is an integer number (289050).

2^1152971 is an apocalyptic number.

1152971 is a deficient number, since it is larger than the sum of its proper divisors (3229).

1152971 is an equidigital number, since it uses as much as digits as its factorization.

1152971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228.

The product of its digits is 630, while the sum is 26.

The square root of 1152971 is about 1073.7648718411. The cubic root of 1152971 is about 104.8591005051.

The spelling of 1152971 in words is "one million, one hundred fifty-two thousand, nine hundred seventy-one".