122400122629 has 2 divisors, whose sum is σ = 122400122630. Its totient is φ = 122400122628.

The previous prime is 122400122609. The next prime is 122400122707. The reversal of 122400122629 is 926221004221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70276949604 + 52123173025 = 265098^2 + 228305^2 .

It is an emirp because it is prime and its reverse (926221004221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122400122629 - 2³¹ = 120252638981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122400122629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122400122609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61200061314 + 61200061315.

It is an arithmetic number, because the mean of its divisors is an integer number (61200061315).

Almost surely, 2^122400122629 is an apocalyptic number.

It is an amenable number.

122400122629 is a deficient number, since it is larger than the sum of its proper divisors (1).

122400122629 is an equidigital number, since it uses as much as digits as its factorization.

122400122629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 122400122629 in words is "one hundred twenty-two billion, four hundred million, one hundred twenty-two thousand, six hundred twenty-nine".