1112091 has 16 divisors (see below), whose sum is σ = 1547520. Its totient is φ = 709920.

The previous prime is 1112087. The next prime is 1112093. The reversal of 1112091 is 1902111.

1112091 = T₇₄ + T₇₅ + ... + T₁₉₁.

It is not a de Polignac number, because 1112091 - 2² = 1112087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112091.

It is not an unprimeable number, because it can be changed into a prime (1112093) 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, 10746 + ... + 10848.

It is an arithmetic number, because the mean of its divisors is an integer number (96720).

2^1112091 is an apocalyptic number.

1112091 is a deficient number, since it is larger than the sum of its proper divisors (435429).

1112091 is a wasteful number, since it uses less digits than its factorization.

1112091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 1112091 is about 1054.5572530688. The cubic root of 1112091 is about 103.6048553451.

It can be divided in two parts, 11120 and 91, that added together give a palindrome (11211).

The spelling of 1112091 in words is "one million, one hundred twelve thousand, ninety-one".