1158969 has 16 divisors (see below), whose sum is σ = 1781120. Its totient is φ = 656640.

The previous prime is 1158961. The next prime is 1158977. The reversal of 1158969 is 9698511.

It is an interprime number because it is at equal distance from previous prime (1158961) and next prime (1158977).

It is not a de Polignac number, because 1158969 - 2³ = 1158961 is a prime.

It is a super-2 number, since 2×1158969² = 2686418285922, which contains 22 as substring.

It is a Duffinian number.

1158969 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1158961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4689 + ... + 4929.

It is an arithmetic number, because the mean of its divisors is an integer number (111320).

2^1158969 is an apocalyptic number.

It is an amenable number.

1158969 is a deficient number, since it is larger than the sum of its proper divisors (622151).

1158969 is a wasteful number, since it uses less digits than its factorization.

1158969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its digits is 19440, while the sum is 39.

The square root of 1158969 is about 1076.5542252948. The cubic root of 1158969 is about 105.0406192051.

The spelling of 1158969 in words is "one million, one hundred fifty-eight thousand, nine hundred sixty-nine".