1110561 has 8 divisors (see below), whose sum is σ = 1515360. Its totient is φ = 723072.

The previous prime is 1110547. The next prime is 1110583. The reversal of 1110561 is 1650111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1110561 - 2⁷ = 1110433 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1110561.

It is not an unprimeable number, because it can be changed into a prime (1110521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4176 + ... + 4433.

It is an arithmetic number, because the mean of its divisors is an integer number (189420).

2^1110561 is an apocalyptic number.

It is an amenable number.

1110561 is a deficient number, since it is larger than the sum of its proper divisors (404799).

1110561 is an equidigital number, since it uses as much as digits as its factorization.

1110561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8655.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1110561 is about 1053.8315804719. The cubic root of 1110561 is about 103.5573208121.

Adding to 1110561 its reverse (1650111), we get a palindrome (2760672).

The spelling of 1110561 in words is "one million, one hundred ten thousand, five hundred sixty-one".