1087045 has 4 divisors (see below), whose sum is σ = 1304460. Its totient is φ = 869632.

The previous prime is 1087027. The next prime is 1087061. The reversal of 1087045 is 5407801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 450241 + 636804 = 671^2 + 798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087045 - 2¹¹ = 1084997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108700 + ... + 108709.

It is an arithmetic number, because the mean of its divisors is an integer number (326115).

2^1087045 is an apocalyptic number.

It is an amenable number.

1087045 is a deficient number, since it is larger than the sum of its proper divisors (217415).

1087045 is an equidigital number, since it uses as much as digits as its factorization.

1087045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217414.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1087045 is about 1042.6145021052. The cubic root of 1087045 is about 102.8211619997.

The spelling of 1087045 in words is "one million, eighty-seven thousand, forty-five".