1110045 has 16 divisors (see below), whose sum is σ = 1818432. Its totient is φ = 577920.

The previous prime is 1110041. The next prime is 1110061. The reversal of 1110045 is 5400111.

It is a happy number.

It is not a de Polignac number, because 1110045 - 2² = 1110041 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 1110045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110041) 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, 216 + ... + 1505.

It is an arithmetic number, because the mean of its divisors is an integer number (113652).

2^1110045 is an apocalyptic number.

1110045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1110045 is a deficient number, since it is larger than the sum of its proper divisors (708387).

1110045 is a wasteful number, since it uses less digits than its factorization.

1110045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1110045 is about 1053.5867311237. The cubic root of 1110045 is about 103.5412797135.

Adding to 1110045 its reverse (5400111), we get a palindrome (6510156).

It can be divided in two parts, 11100 and 45, that multiplied together give a triangular number (499500 = T₉₉₉).

The spelling of 1110045 in words is "one million, one hundred ten thousand, forty-five".