1101078 has 48 divisors (see below), whose sum is σ = 2673216. Its totient is φ = 324720.

The previous prime is 1101071. The next prime is 1101091. The reversal of 1101078 is 8701011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1101078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13225 + ... + 13307.

It is an arithmetic number, because the mean of its divisors is an integer number (55692).

2^1101078 is an apocalyptic number.

1101078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336608).

1101078 is an abundant number, since it is smaller than the sum of its proper divisors (1572138).

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

1101078 is a wasteful number, since it uses less digits than its factorization.

1101078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

The square root of 1101078 is about 1049.3226386579. The cubic root of 1101078 is about 103.2617216865.

Adding to 1101078 its reverse (8701011), we get a palindrome (9802089).

The spelling of 1101078 in words is "one million, one hundred one thousand, seventy-eight".