12111087 has 8 divisors (see below), whose sum is σ = 16850304. Its totient is φ = 7722968.

The previous prime is 12111061. The next prime is 12111091. The reversal of 12111087 is 78011121.

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

It is a cyclic number.

It is not a de Polignac number, because 12111087 - 2⁶ = 12111023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111017) 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, 87693 + ... + 87830.

It is an arithmetic number, because the mean of its divisors is an integer number (2106288).

Almost surely, 2^12111087 is an apocalyptic number.

12111087 is a deficient number, since it is larger than the sum of its proper divisors (4739217).

12111087 is a wasteful number, since it uses less digits than its factorization.

12111087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175549.

The product of its (nonzero) digits is 112, while the sum is 21.

The square root of 12111087 is about 3480.0987054967. The cubic root of 12111087 is about 229.6471400879.

The spelling of 12111087 in words is "twelve million, one hundred eleven thousand, eighty-seven".