402122124017 has 2 divisors, whose sum is σ = 402122124018. Its totient is φ = 402122124016.

The previous prime is 402122123959. The next prime is 402122124043. The reversal of 402122124017 is 710421221204.

It is a happy number.

It is an a-pointer prime, because the next prime (402122124043) can be obtained adding 402122124017 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236632629601 + 165489494416 = 486449^2 + 406804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402122124017 is a prime.

It is not a weakly prime, because it can be changed into another prime (402122120017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201061062008 + 201061062009.

It is an arithmetic number, because the mean of its divisors is an integer number (201061062009).

Almost surely, 2^402122124017 is an apocalyptic number.

It is an amenable number.

402122124017 is a deficient number, since it is larger than the sum of its proper divisors (1).

402122124017 is an equidigital number, since it uses as much as digits as its factorization.

402122124017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

The spelling of 402122124017 in words is "four hundred two billion, one hundred twenty-two million, one hundred twenty-four thousand, seventeen".