1162158 has 16 divisors (see below), whose sum is σ = 2346960. Its totient is φ = 383616.

The previous prime is 1162129. The next prime is 1162193. The reversal of 1162158 is 8512611.

It is a super-2 number, since 2×1162158² = 2701222433928, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 235 + ... + 1542.

It is an arithmetic number, because the mean of its divisors is an integer number (146685).

2^1162158 is an apocalyptic number.

1162158 is an abundant number, since it is smaller than the sum of its proper divisors (1184802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1162158 is a wasteful number, since it uses less digits than its factorization.

1162158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891.

The product of its digits is 480, while the sum is 24.

The square root of 1162158 is about 1078.0343222736. The cubic root of 1162158 is about 105.1368736538.

Adding to 1162158 its reverse (8512611), we get a palindrome (9674769).

The spelling of 1162158 in words is "one million, one hundred sixty-two thousand, one hundred fifty-eight".