1122019973 has 2 divisors, whose sum is σ = 1122019974. Its totient is φ = 1122019972.

The previous prime is 1122019961. The next prime is 1122020021. The reversal of 1122019973 is 3799102211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1109755969 + 12264004 = 33313^2 + 3502^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122019973 - 2²⁴ = 1105242757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122019573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561009986 + 561009987.

It is an arithmetic number, because the mean of its divisors is an integer number (561009987).

Almost surely, 2^1122019973 is an apocalyptic number.

It is an amenable number.

1122019973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122019973 is an equidigital number, since it uses as much as digits as its factorization.

1122019973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 1122019973 is about 33496.5665852487. The cubic root of 1122019973 is about 1039.1227726665.

The spelling of 1122019973 in words is "one billion, one hundred twenty-two million, nineteen thousand, nine hundred seventy-three".