1165157 has 8 divisors (see below), whose sum is σ = 1389696. Its totient is φ = 955152.

The previous prime is 1165147. The next prime is 1165183. The reversal of 1165157 is 7515611.

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 1165157 - 2¹⁴ = 1148773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165127) 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, 3458 + ... + 3779.

It is an arithmetic number, because the mean of its divisors is an integer number (173712).

2^1165157 is an apocalyptic number.

It is an amenable number.

1165157 is a deficient number, since it is larger than the sum of its proper divisors (224539).

1165157 is an equidigital number, since it uses as much as digits as its factorization.

1165157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7267.

The product of its digits is 1050, while the sum is 26.

The square root of 1165157 is about 1079.4243836416. The cubic root of 1165157 is about 105.2272327537.

The spelling of 1165157 in words is "one million, one hundred sixty-five thousand, one hundred fifty-seven".