1152857 has 2 divisors, whose sum is σ = 1152858. Its totient is φ = 1152856.

The previous prime is 1152841. The next prime is 1152881. The reversal of 1152857 is 7582511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 811801 + 341056 = 901^2 + 584^2 .

It is an emirp because it is prime and its reverse (7582511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1152857 - 2⁴ = 1152841 is a prime.

It is a Chen prime.

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, 576428 + 576429.

It is an arithmetic number, because the mean of its divisors is an integer number (576429).

2^1152857 is an apocalyptic number.

It is an amenable number.

1152857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152857 is an equidigital number, since it uses as much as digits as its factorization.

1152857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 29.

The square root of 1152857 is about 1073.7117862816. The cubic root of 1152857 is about 104.8556444103.

The spelling of 1152857 in words is "one million, one hundred fifty-two thousand, eight hundred fifty-seven".