1105442 has 32 divisors (see below), whose sum is σ = 1968624. Its totient is φ = 460800.

The previous prime is 1105441. The next prime is 1105457. The reversal of 1105442 is 2445011.

It can be written as a sum of positive squares in 8 ways, for example, as 25921 + 1079521 = 161^2 + 1039^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1105442.

It is not an unprimeable number, because it can be changed into a prime (1105441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18092 + ... + 18152.

2^1105442 is an apocalyptic number.

1105442 is a deficient number, since it is larger than the sum of its proper divisors (863182).

1105442 is a wasteful number, since it uses less digits than its factorization.

1105442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1105442 is about 1051.4000190223. The cubic root of 1105442 is about 103.3979639614.

The spelling of 1105442 in words is "one million, one hundred five thousand, four hundred forty-two".