1158967 has 4 divisors (see below), whose sum is σ = 1161256. Its totient is φ = 1156680.

The previous prime is 1158961. The next prime is 1158977. The reversal of 1158967 is 7698511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7698511 = 269 ⋅28619.

It is a cyclic number.

It is not a de Polignac number, because 1158967 - 2¹⁹ = 634679 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9 + ... + 1522.

It is an arithmetic number, because the mean of its divisors is an integer number (290314).

2^1158967 is an apocalyptic number.

1158967 is a deficient number, since it is larger than the sum of its proper divisors (2289).

1158967 is an equidigital number, since it uses as much as digits as its factorization.

1158967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288.

The product of its digits is 15120, while the sum is 37.

The square root of 1158967 is about 1076.5532964048. The cubic root of 1158967 is about 105.0405587832.

The spelling of 1158967 in words is "one million, one hundred fifty-eight thousand, nine hundred sixty-seven".