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122560231429 is a prime number
BaseRepresentation
bin111001000100100101…
…0001011100000000101
3102201100102200211202201
41302021022023200011
54002000404401204
6132145311034501
711566104530656
oct1621112134005
9381312624681
10122560231429
1147a83067969
121b90520ba31
13b732744bcc
145d0939552d
1532c4b2c9a4
hex1c8928b805

122560231429 has 2 divisors, whose sum is σ = 122560231430. Its totient is φ = 122560231428.

The previous prime is 122560231421. The next prime is 122560231447. The reversal of 122560231429 is 924132065221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97983398529 + 24576832900 = 313023^2 + 156770^2 .

It is a cyclic number.

It is not a de Polignac number, because 122560231429 - 23 = 122560231421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122560231421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61280115714 + 61280115715.

It is an arithmetic number, because the mean of its divisors is an integer number (61280115715).

Almost surely, 2122560231429 is an apocalyptic number.

It is an amenable number.

122560231429 is a deficient number, since it is larger than the sum of its proper divisors (1).

122560231429 is an equidigital number, since it uses as much as digits as its factorization.

122560231429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 122560231429 in words is "one hundred twenty-two billion, five hundred sixty million, two hundred thirty-one thousand, four hundred twenty-nine".