1120861 has 8 divisors (see below), whose sum is σ = 1356480. Its totient is φ = 904128.

The previous prime is 1120849. The next prime is 1120871. The reversal of 1120861 is 1680211.

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

It is not a de Polignac number, because 1120861 - 2⁹ = 1120349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120811) 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, 4591 + ... + 4828.

It is an arithmetic number, because the mean of its divisors is an integer number (169560).

2^1120861 is an apocalyptic number.

It is an amenable number.

1120861 is a deficient number, since it is larger than the sum of its proper divisors (235619).

1120861 is an equidigital number, since it uses as much as digits as its factorization.

1120861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9443.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1120861 is about 1058.7072305411. The cubic root of 1120861 is about 103.8764867530.

The spelling of 1120861 in words is "one million, one hundred twenty thousand, eight hundred sixty-one".