1066087 has 8 divisors (see below), whose sum is σ = 1231632. Its totient is φ = 912000.

The previous prime is 1066067. The next prime is 1066111. The reversal of 1066087 is 7806601.

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 1066087 - 2¹⁹ = 541799 is a prime.

It is a super-2 number, since 2×1066087² = 2273082983138, which contains 22 as substring.

It is a Duffinian number.

1066087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2664 + ... + 3037.

It is an arithmetic number, because the mean of its divisors is an integer number (153954).

2^1066087 is an apocalyptic number.

1066087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1066087 is a deficient number, since it is larger than the sum of its proper divisors (165545).

1066087 is a wasteful number, since it uses less digits than its factorization.

1066087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1066087 is about 1032.5148909338. The cubic root of 1066087 is about 102.1560791306.

The spelling of 1066087 in words is "one million, sixty-six thousand, eighty-seven".