1120889 has 8 divisors (see below), whose sum is σ = 1397568. Its totient is φ = 873360.

The previous prime is 1120883. The next prime is 1120901. The reversal of 1120889 is 9880211.

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 1120889 - 2⁸ = 1120633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120883) 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, 7202 + ... + 7355.

It is an arithmetic number, because the mean of its divisors is an integer number (174696).

2^1120889 is an apocalyptic number.

It is an amenable number.

1120889 is a deficient number, since it is larger than the sum of its proper divisors (276679).

1120889 is a wasteful number, since it uses less digits than its factorization.

1120889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14575.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1120889 is about 1058.7204541332. The cubic root of 1120889 is about 103.8773517182.

The spelling of 1120889 in words is "one million, one hundred twenty thousand, eight hundred eighty-nine".