122072801791 has 2 divisors, whose sum is σ = 122072801792. Its totient is φ = 122072801790.

The previous prime is 122072801693. The next prime is 122072801797. The reversal of 122072801791 is 197108270221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122072801791 - 2¹³ = 122072793599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122072801797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61036400895 + 61036400896.

It is an arithmetic number, because the mean of its divisors is an integer number (61036400896).

Almost surely, 2^122072801791 is an apocalyptic number.

122072801791 is a deficient number, since it is larger than the sum of its proper divisors (1).

122072801791 is an equidigital number, since it uses as much as digits as its factorization.

122072801791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 40.

The spelling of 122072801791 in words is "one hundred twenty-two billion, seventy-two million, eight hundred one thousand, seven hundred ninety-one".