1066197 has 8 divisors (see below), whose sum is σ = 1550880. Its totient is φ = 646160.

The previous prime is 1066159. The next prime is 1066217. The reversal of 1066197 is 7916601.

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 1066197 - 2⁶ = 1066133 is a prime.

It is a super-2 number, since 2×1066197² = 2273552085618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066157) 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, 16122 + ... + 16187.

It is an arithmetic number, because the mean of its divisors is an integer number (193860).

2^1066197 is an apocalyptic number.

It is an amenable number.

1066197 is a deficient number, since it is larger than the sum of its proper divisors (484683).

1066197 is a wasteful number, since it uses less digits than its factorization.

1066197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32323.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1066197 is about 1032.5681575567. The cubic root of 1066197 is about 102.1595925344.

The spelling of 1066197 in words is "one million, sixty-six thousand, one hundred ninety-seven".