1183157 has 2 divisors, whose sum is σ = 1183158. Its totient is φ = 1183156.

The previous prime is 1183151. The next prime is 1183159. The reversal of 1183157 is 7513811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 784996 + 398161 = 886^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 1183157 - 2⁴ = 1183141 is a prime.

Together with 1183159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1183151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591578 + 591579.

It is an arithmetic number, because the mean of its divisors is an integer number (591579).

2^1183157 is an apocalyptic number.

It is an amenable number.

1183157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1183157 is an equidigital number, since it uses as much as digits as its factorization.

1183157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 26.

The square root of 1183157 is about 1087.7302055197. The cubic root of 1183157 is about 105.7663358936.

Adding to 1183157 its reverse (7513811), we get a palindrome (8696968).

The spelling of 1183157 in words is "one million, one hundred eighty-three thousand, one hundred fifty-seven".