1132157 has 8 divisors (see below), whose sum is σ = 1236984. Its totient is φ = 1029888.

The previous prime is 1132141. The next prime is 1132177. The reversal of 1132157 is 7512311.

It can be written as a sum of positive squares in 4 ways, for example, as 63001 + 1069156 = 251^2 + 1034^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1132157 - 2⁴ = 1132141 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132177) 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 7 ways as a sum of consecutive naturals, for example, 353 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (154623).

2^1132157 is an apocalyptic number.

It is an amenable number.

1132157 is a deficient number, since it is larger than the sum of its proper divisors (104827).

1132157 is a wasteful number, since it uses less digits than its factorization.

1132157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279.

The product of its digits is 210, while the sum is 20.

The square root of 1132157 is about 1064.0286650274. The cubic root of 1132157 is about 104.2242756182.

Adding to 1132157 its reverse (7512311), we get a palindrome (8644468).

The spelling of 1132157 in words is "one million, one hundred thirty-two thousand, one hundred fifty-seven".