1152881 has 2 divisors, whose sum is σ = 1152882. Its totient is φ = 1152880.

The previous prime is 1152857. The next prime is 1152887. The reversal of 1152881 is 1882511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1000000 + 152881 = 1000^2 + 391^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152881 - 2¹⁸ = 890737 is a prime.

It is a super-2 number, since 2×1152881² = 2658269200322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152881.

It is not a weakly prime, because it can be changed into another prime (1152887) 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 as a sum of consecutive naturals, namely, 576440 + 576441.

It is an arithmetic number, because the mean of its divisors is an integer number (576441).

2^1152881 is an apocalyptic number.

It is an amenable number.

1152881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152881 is an equidigital number, since it uses as much as digits as its factorization.

1152881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640, while the sum is 26.

The square root of 1152881 is about 1073.7229624070. The cubic root of 1152881 is about 104.8563720281.

The spelling of 1152881 in words is "one million, one hundred fifty-two thousand, eight hundred eighty-one".