1065997 has 8 divisors (see below), whose sum is σ = 1112832. Its totient is φ = 1020000.

The previous prime is 1065979. The next prime is 1066001. The reversal of 1065997 is 7995601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1065997 is a prime.

It is a super-2 number, since 2×1065997² = 2272699208018, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065937) 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, 4122 + ... + 4372.

It is an arithmetic number, because the mean of its divisors is an integer number (139104).

2^1065997 is an apocalyptic number.

It is an amenable number.

1065997 is a deficient number, since it is larger than the sum of its proper divisors (46835).

1065997 is a wasteful number, since it uses less digits than its factorization.

1065997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 1065997 is about 1032.4713071074. The cubic root of 1065997 is about 102.1532043478.

The spelling of 1065997 in words is "one million, sixty-five thousand, nine hundred ninety-seven".