1063191 has 8 divisors (see below), whose sum is σ = 1427584. Its totient is φ = 703800.

The previous prime is 1063189. The next prime is 1063193. The reversal of 1063191 is 1913601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1063189) and next prime (1063193).

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

It is not a de Polignac number, because 1063191 - 2¹ = 1063189 is a prime.

It is a super-2 number, since 2×1063191² = 2260750204962, which contains 22 as substring.

It is a Duffinian number.

1063191 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063193) 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, 721 + ... + 1626.

It is an arithmetic number, because the mean of its divisors is an integer number (178448).

2^1063191 is an apocalyptic number.

1063191 is a deficient number, since it is larger than the sum of its proper divisors (364393).

1063191 is a wasteful number, since it uses less digits than its factorization.

1063191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1063191 is about 1031.1115361589. Note that the first 3 decimals coincide. The cubic root of 1063191 is about 102.0634937242.

Adding to 1063191 its reverse (1913601), we get a palindrome (2976792).

The spelling of 1063191 in words is "one million, sixty-three thousand, one hundred ninety-one".