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122105607629 is a prime number
BaseRepresentation
bin111000110111000001…
…1111011010111001101
3102200011202020120011012
41301232003323113031
54000033013421004
6132032230535005
711551614353105
oct1615603732715
9380152216135
10122105607629
114786a483315
121b7b8b07465
13b68c4b9745
145ca4c52205
153299c7946e
hex1c6e0fb5cd

122105607629 has 2 divisors, whose sum is σ = 122105607630. Its totient is φ = 122105607628.

The previous prime is 122105607607. The next prime is 122105607703. The reversal of 122105607629 is 926706501221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113500262404 + 8605345225 = 336898^2 + 92765^2 .

It is an emirp because it is prime and its reverse (926706501221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122105607629 - 232 = 117810640333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122105607229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61052803814 + 61052803815.

It is an arithmetic number, because the mean of its divisors is an integer number (61052803815).

Almost surely, 2122105607629 is an apocalyptic number.

It is an amenable number.

122105607629 is a deficient number, since it is larger than the sum of its proper divisors (1).

122105607629 is an equidigital number, since it uses as much as digits as its factorization.

122105607629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 122105607629 in words is "one hundred twenty-two billion, one hundred five million, six hundred seven thousand, six hundred twenty-nine".