1158601 has 12 divisors (see below), whose sum is σ = 1301680. Its totient is φ = 1028160.

The previous prime is 1158593. The next prime is 1158607. The reversal of 1158601 is 1068511.

It is not a de Polignac number, because 1158601 - 2³ = 1158593 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

1158601 is a lucky number.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1158607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5386 + ... + 5596.

2^1158601 is an apocalyptic number.

It is an amenable number.

1158601 is a deficient number, since it is larger than the sum of its proper divisors (143079).

1158601 is a wasteful number, since it uses less digits than its factorization.

1158601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 1158601 is about 1076.3832960428. The cubic root of 1158601 is about 105.0295004033.

The spelling of 1158601 in words is "one million, one hundred fifty-eight thousand, six hundred one".