122661602263 has 2 divisors, whose sum is σ = 122661602264. Its totient is φ = 122661602262.

The previous prime is 122661602153. The next prime is 122661602269. The reversal of 122661602263 is 362206166221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122661602263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122661602269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61330801131 + 61330801132.

It is an arithmetic number, because the mean of its divisors is an integer number (61330801132).

Almost surely, 2^122661602263 is an apocalyptic number.

122661602263 is a deficient number, since it is larger than the sum of its proper divisors (1).

122661602263 is an equidigital number, since it uses as much as digits as its factorization.

122661602263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 122661602263 its reverse (362206166221), we get a palindrome (484867768484).

The spelling of 122661602263 in words is "one hundred twenty-two billion, six hundred sixty-one million, six hundred two thousand, two hundred sixty-three".