1087047 has 32 divisors (see below), whose sum is σ = 1836800. Its totient is φ = 629856.

The previous prime is 1087027. The next prime is 1087061. The reversal of 1087047 is 7407801.

It is not a de Polignac number, because 1087047 - 2⁷ = 1086919 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1087047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6588 + ... + 6750.

It is an arithmetic number, because the mean of its divisors is an integer number (57400).

2^1087047 is an apocalyptic number.

1087047 is a deficient number, since it is larger than the sum of its proper divisors (749753).

1087047 is a wasteful number, since it uses less digits than its factorization.

1087047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 1087047 is about 1042.6154612320. The cubic root of 1087047 is about 102.8212250581.

The spelling of 1087047 in words is "one million, eighty-seven thousand, forty-seven".