1126197 has 16 divisors (see below), whose sum is σ = 1702080. Its totient is φ = 735696.

The previous prime is 1126189. The next prime is 1126201. The reversal of 1126197 is 7916211.

It is not a de Polignac number, because 1126197 - 2³ = 1126189 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1126197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038 + ... + 1824.

It is an arithmetic number, because the mean of its divisors is an integer number (106380).

2^1126197 is an apocalyptic number.

It is an amenable number.

1126197 is a deficient number, since it is larger than the sum of its proper divisors (575883).

1126197 is an equidigital number, since it uses as much as digits as its factorization.

1126197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 843 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 1126197 is about 1061.2242929749. The cubic root of 1126197 is about 104.0410648976.

The spelling of 1126197 in words is "one million, one hundred twenty-six thousand, one hundred ninety-seven".