1102158 has 12 divisors (see below), whose sum is σ = 2388048. Its totient is φ = 367380.

The previous prime is 1102151. The next prime is 1102159. The reversal of 1102158 is 8512011.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 61231 = 1102158 / (1 + 1 + 0 + 2 + 1 + 5 + 8).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30598 + ... + 30633.

It is an arithmetic number, because the mean of its divisors is an integer number (199004).

2^1102158 is an apocalyptic number.

1102158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1102158 is an abundant number, since it is smaller than the sum of its proper divisors (1285890).

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

1102158 is a wasteful number, since it uses less digits than its factorization.

1102158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61239 (or 61236 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1102158 is about 1049.8371302254. The cubic root of 1102158 is about 103.2954723129.

Adding to 1102158 its reverse (8512011), we get a palindrome (9614169).

The spelling of 1102158 in words is "one million, one hundred two thousand, one hundred fifty-eight".