1157369 has 2 divisors, whose sum is σ = 1157370. Its totient is φ = 1157368.

The previous prime is 1157363. The next prime is 1157381. The reversal of 1157369 is 9637511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024144 + 133225 = 1012^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157369 - 2²⁰ = 108793 is a prime.

It is a super-2 number, since 2×1157369² = 2679006004322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1157363) 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, 578684 + 578685.

It is an arithmetic number, because the mean of its divisors is an integer number (578685).

2^1157369 is an apocalyptic number.

It is an amenable number.

1157369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157369 is an equidigital number, since it uses as much as digits as its factorization.

1157369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 32.

The square root of 1157369 is about 1075.8108569818. The cubic root of 1157369 is about 104.9922594445.

The spelling of 1157369 in words is "one million, one hundred fifty-seven thousand, three hundred sixty-nine".