1122020197 has 2 divisors, whose sum is σ = 1122020198. Its totient is φ = 1122020196.

The previous prime is 1122020191. The next prime is 1122020203. The reversal of 1122020197 is 7910202211.

It is a balanced prime because it is at equal distance from previous prime (1122020191) and next prime (1122020203).

It can be written as a sum of positive squares in only one way, i.e., 997675396 + 124344801 = 31586^2 + 11151^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122020197 - 2⁷ = 1122020069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122020191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561010098 + 561010099.

It is an arithmetic number, because the mean of its divisors is an integer number (561010099).

Almost surely, 2^1122020197 is an apocalyptic number.

It is an amenable number.

1122020197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122020197 is an equidigital number, since it uses as much as digits as its factorization.

1122020197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1122020197 is about 33496.5699288748. The cubic root of 1122020197 is about 1039.1228418167.

The spelling of 1122020197 in words is "one billion, one hundred twenty-two million, twenty thousand, one hundred ninety-seven".