1135887 has 4 divisors (see below), whose sum is σ = 1514520. Its totient is φ = 757256.

The previous prime is 1135879. The next prime is 1135891. The reversal of 1135887 is 7885311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1135887 - 2³ = 1135879 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135837) 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, 189312 + ... + 189317.

It is an arithmetic number, because the mean of its divisors is an integer number (378630).

2^1135887 is an apocalyptic number.

1135887 is a deficient number, since it is larger than the sum of its proper divisors (378633).

1135887 is an equidigital number, since it uses as much as digits as its factorization.

1135887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378632.

The product of its digits is 6720, while the sum is 33.

The square root of 1135887 is about 1065.7799960592. The cubic root of 1135887 is about 104.3386091119.

The spelling of 1135887 in words is "one million, one hundred thirty-five thousand, eight hundred eighty-seven".