1155135 has 16 divisors (see below), whose sum is σ = 1884384. Its totient is φ = 604032.

The previous prime is 1155127. The next prime is 1155149. The reversal of 1155135 is 5315511.

It is not a de Polignac number, because 1155135 - 2³ = 1155127 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (117774).

2^1155135 is an apocalyptic number.

1155135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1155135 is a deficient number, since it is larger than the sum of its proper divisors (729249).

1155135 is a wasteful number, since it uses less digits than its factorization.

1155135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514.

The product of its digits is 375, while the sum is 21.

The square root of 1155135 is about 1074.7720688593. The cubic root of 1155135 is about 104.9246625116.

The spelling of 1155135 in words is "one million, one hundred fifty-five thousand, one hundred thirty-five".