1152571 has 4 divisors (see below), whose sum is σ = 1317232. Its totient is φ = 987912.

The previous prime is 1152527. The next prime is 1152589. The reversal of 1152571 is 1752511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1752511 = 73 ⋅24007.

It is a cyclic number.

It is not a de Polignac number, because 1152571 - 2¹³ = 1144379 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82320 + ... + 82333.

It is an arithmetic number, because the mean of its divisors is an integer number (329308).

2^1152571 is an apocalyptic number.

1152571 is a deficient number, since it is larger than the sum of its proper divisors (164661).

1152571 is an equidigital number, since it uses as much as digits as its factorization.

1152571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164660.

The product of its digits is 350, while the sum is 22.

The square root of 1152571 is about 1073.5785951667. The cubic root of 1152571 is about 104.8469728536.

Adding to 1152571 its product of digits (350), we get a triangular number (1152921 = T₁₅₁₈).

The spelling of 1152571 in words is "one million, one hundred fifty-two thousand, five hundred seventy-one".