1087387 has 8 divisors (see below), whose sum is σ = 1283072. Its totient is φ = 901800.

The previous prime is 1087381. The next prime is 1087391. The reversal of 1087387 is 7837801.

It is a happy number.

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 1087387 - 2³ = 1087379 is a prime.

1087387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1087381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2289 + ... + 2722.

It is an arithmetic number, because the mean of its divisors is an integer number (160384).

2^1087387 is an apocalyptic number.

1087387 is a deficient number, since it is larger than the sum of its proper divisors (195685).

1087387 is an equidigital number, since it uses as much as digits as its factorization.

1087387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1087387 is about 1042.7784999702. The cubic root of 1087387 is about 102.8319438748.

The spelling of 1087387 in words is "one million, eighty-seven thousand, three hundred eighty-seven".