1133887 has 8 divisors (see below), whose sum is σ = 1187840. Its totient is φ = 1081080.

The previous prime is 1133861. The next prime is 1133893. The reversal of 1133887 is 7883311.

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 1133887 - 2¹¹ = 1131839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

1133887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133827) 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, 2218 + ... + 2680.

It is an arithmetic number, because the mean of its divisors is an integer number (148480).

2^1133887 is an apocalyptic number.

1133887 is a deficient number, since it is larger than the sum of its proper divisors (53953).

1133887 is an equidigital number, since it uses as much as digits as its factorization.

1133887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its digits is 4032, while the sum is 31.

The square root of 1133887 is about 1064.8413027301. The cubic root of 1133887 is about 104.2773354660.

The spelling of 1133887 in words is "one million, one hundred thirty-three thousand, eight hundred eighty-seven".