1130887 has 4 divisors (see below), whose sum is σ = 1180080. Its totient is φ = 1081696.

The previous prime is 1130863. The next prime is 1130929. The reversal of 1130887 is 7880311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7880311 = 563 ⋅13997.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130887 is a prime.

It is a Duffinian number.

1130887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24562 + ... + 24607.

It is an arithmetic number, because the mean of its divisors is an integer number (295020).

2^1130887 is an apocalyptic number.

1130887 is a deficient number, since it is larger than the sum of its proper divisors (49193).

1130887 is an equidigital number, since it uses as much as digits as its factorization.

1130887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49192.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1130887 is about 1063.4317091379. The cubic root of 1130887 is about 104.1852897548.

The spelling of 1130887 in words is "one million, one hundred thirty thousand, eight hundred eighty-seven".