1105472 has 28 divisors (see below), whose sum is σ = 2292096. Its totient is φ = 528000.

The previous prime is 1105463. The next prime is 1105501. The reversal of 1105472 is 2745011.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097 + ... + 1847.

2^1105472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1105472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146048).

1105472 is an abundant number, since it is smaller than the sum of its proper divisors (1186624).

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

1105472 is an equidigital number, since it uses as much as digits as its factorization.

1105472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1105472 is about 1051.4142856172. The cubic root of 1105472 is about 103.3988993070.

The spelling of 1105472 in words is "one million, one hundred five thousand, four hundred seventy-two".