1158602 has 16 divisors (see below), whose sum is σ = 1840320. Its totient is φ = 545952.

The previous prime is 1158593. The next prime is 1158607. The reversal of 1158602 is 2068511.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a plaindrome 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 7 ways as a sum of consecutive naturals, for example, 3953 + ... + 4235.

It is an arithmetic number, because the mean of its divisors is an integer number (115020).

2^1158602 is an apocalyptic number.

1158602 is a deficient number, since it is larger than the sum of its proper divisors (681718).

1158602 is a wasteful number, since it uses less digits than its factorization.

1158602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1158602 is about 1076.3837605613. The cubic root of 1158602 is about 105.0295306206.

Subtracting 1158602 from its reverse (2068511), we obtain a palindrome (909909).

The spelling of 1158602 in words is "one million, one hundred fifty-eight thousand, six hundred two".