1201422440017 has 2 divisors, whose sum is σ = 1201422440018. Its totient is φ = 1201422440016.

The previous prime is 1201422439999. The next prime is 1201422440027. The reversal of 1201422440017 is 7100442241021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1187411219856 + 14011220161 = 1089684^2 + 118369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201422440017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201422440027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600711220008 + 600711220009.

It is an arithmetic number, because the mean of its divisors is an integer number (600711220009).

Almost surely, 2^{1201422440017} is an apocalyptic number.

It is an amenable number.

1201422440017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201422440017 is an equidigital number, since it uses as much as digits as its factorization.

1201422440017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 1201422440017 its reverse (7100442241021), we get a palindrome (8301864681038).

The spelling of 1201422440017 in words is "one trillion, two hundred one billion, four hundred twenty-two million, four hundred forty thousand, seventeen".