1322860061 has 2 divisors, whose sum is σ = 1322860062. Its totient is φ = 1322860060.

The previous prime is 1322860057. The next prime is 1322860129. The reversal of 1322860061 is 1600682231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 937523161 + 385336900 = 30619^2 + 19630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322860061 - 2² = 1322860057 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 (1322869061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661430030 + 661430031.

It is an arithmetic number, because the mean of its divisors is an integer number (661430031).

Almost surely, 2^1322860061 is an apocalyptic number.

It is an amenable number.

1322860061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322860061 is an equidigital number, since it uses as much as digits as its factorization.

1322860061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1322860061 is about 36371.1432457106. The cubic root of 1322860061 is about 1097.7530057025.

The spelling of 1322860061 in words is "one billion, three hundred twenty-two million, eight hundred sixty thousand, sixty-one".