1072197 has 40 divisors (see below), whose sum is σ = 1920512. Its totient is φ = 583200.

The previous prime is 1072187. The next prime is 1072199. The reversal of 1072197 is 7912701.

It is not a de Polignac number, because 1072197 - 2⁶ = 1072133 is a prime.

It is a super-2 number, since 2×1072197² = 2299212813618, which contains 22 as substring.

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

1072197 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072199) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17547 + ... + 17607.

2^1072197 is an apocalyptic number.

It is an amenable number.

1072197 is a deficient number, since it is larger than the sum of its proper divisors (848315).

1072197 is an equidigital number, since it uses as much as digits as its factorization.

1072197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 1072197 is about 1035.4694587481. The cubic root of 1072197 is about 102.3508677974.

Adding to 1072197 its reverse (7912701), we get a palindrome (8984898).

It can be divided in two parts, 107 and 2197, that added together give a square (2304 = 48²).

The spelling of 1072197 in words is "one million, seventy-two thousand, one hundred ninety-seven".