1071797 has 4 divisors (see below), whose sum is σ = 1081740. Its totient is φ = 1061856.

The previous prime is 1071787. The next prime is 1071803. The reversal of 1071797 is 7971701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 654481 + 417316 = 809^2 + 646^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071797 - 2⁸ = 1071541 is a prime.

It is a super-2 number, since 2×1071797² = 2297497618418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4808 + ... + 5025.

It is an arithmetic number, because the mean of its divisors is an integer number (270435).

2^1071797 is an apocalyptic number.

It is an amenable number.

1071797 is a deficient number, since it is larger than the sum of its proper divisors (9943).

1071797 is an equidigital number, since it uses as much as digits as its factorization.

1071797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9942.

The product of its (nonzero) digits is 3087, while the sum is 32.

The square root of 1071797 is about 1035.2762916246. The cubic root of 1071797 is about 102.3381383458.

The spelling of 1071797 in words is "one million, seventy-one thousand, seven hundred ninety-seven".