1158115 has 24 divisors (see below), whose sum is σ = 1682640. Its totient is φ = 762048.

The previous prime is 1158089. The next prime is 1158121. The reversal of 1158115 is 5118511.

It is not a de Polignac number, because 1158115 - 2⁷ = 1157987 is a prime.

1158115 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7024 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (70110).

2^1158115 is an apocalyptic number.

1158115 is a deficient number, since it is larger than the sum of its proper divisors (524525).

1158115 is a wasteful number, since it uses less digits than its factorization.

1158115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 204 counting only the distinct ones).

The product of its digits is 200, while the sum is 22.

The square root of 1158115 is about 1076.1575163516. The cubic root of 1158115 is about 105.0148127250.

The spelling of 1158115 in words is "one million, one hundred fifty-eight thousand, one hundred fifteen".