1163135 has 8 divisors (see below), whose sum is σ = 1401840. Its totient is φ = 926464.

The previous prime is 1163131. The next prime is 1163137. The reversal of 1163135 is 5313611.

It is a happy number.

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 1163135 - 2² = 1163131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436 + ... + 2094.

It is an arithmetic number, because the mean of its divisors is an integer number (175230).

2^1163135 is an apocalyptic number.

1163135 is a deficient number, since it is larger than the sum of its proper divisors (238705).

1163135 is an equidigital number, since it uses as much as digits as its factorization.

1163135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017.

The product of its digits is 270, while the sum is 20.

The square root of 1163135 is about 1078.4873666390. The cubic root of 1163135 is about 105.1663274672.

Adding to 1163135 its reverse (5313611), we get a palindrome (6476746).

The spelling of 1163135 in words is "one million, one hundred sixty-three thousand, one hundred thirty-five".