1105489 has 16 divisors (see below), whose sum is σ = 1411200. Its totient is φ = 858480.

The previous prime is 1105463. The next prime is 1105501. The reversal of 1105489 is 9845011.

1105489 = 312² + 313² + ... + 322².

It is a happy number.

It is not a de Polignac number, because 1105489 - 2⁵ = 1105457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105589) 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, 3627 + ... + 3919.

It is an arithmetic number, because the mean of its divisors is an integer number (88200).

2^1105489 is an apocalyptic number.

It is an amenable number.

1105489 is a deficient number, since it is larger than the sum of its proper divisors (305711).

1105489 is an equidigital number, since it uses as much as digits as its factorization.

1105489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1105489 is about 1051.4223699351. The cubic root of 1105489 is about 103.3994293286.

The spelling of 1105489 in words is "one million, one hundred five thousand, four hundred eighty-nine".