1100442 has 48 divisors (see below), whose sum is σ = 2708640. Its totient is φ = 296352.

The previous prime is 1100441. The next prime is 1100443. The reversal of 1100442 is 2440011.

It is an interprime number because it is at equal distance from previous prime (1100441) and next prime (1100443).

It is not an unprimeable number, because it can be changed into a prime (1100441) 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, 5488 + ... + 5684.

It is an arithmetic number, because the mean of its divisors is an integer number (56430).

2^1100442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354320).

1100442 is an abundant number, since it is smaller than the sum of its proper divisors (1608198).

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

1100442 is a wasteful number, since it uses less digits than its factorization.

1100442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1100442 is about 1049.0195422393. The cubic root of 1100442 is about 103.2418359915.

Adding to 1100442 its reverse (2440011), we get a palindrome (3540453).

The spelling of 1100442 in words is "one million, one hundred thousand, four hundred forty-two".