12111045 has 8 divisors (see below), whose sum is σ = 19377696. Its totient is φ = 6459216.

The previous prime is 12111023. The next prime is 12111053. The reversal of 12111045 is 54011121.

It is a happy number.

12111045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12111045 - 2⁸ = 12110789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 807403 = 12111045 / (1 + 2 + 1 + 1 + 1 + 0 + 4 + 5).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403687 + ... + 403716.

It is an arithmetic number, because the mean of its divisors is an integer number (2422212).

Almost surely, 2^12111045 is an apocalyptic number.

12111045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12111045 is a deficient number, since it is larger than the sum of its proper divisors (7266651).

12111045 is an equidigital number, since it uses as much as digits as its factorization.

12111045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807411.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 12111045 is about 3480.0926711799. The cubic root of 12111045 is about 229.6468746234.

Adding to 12111045 its reverse (54011121), we get a palindrome (66122166).

The spelling of 12111045 in words is "twelve million, one hundred eleven thousand, forty-five".