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122741457173 is a prime number
BaseRepresentation
bin111001001001111110…
…1100000000100010101
3102201211001201001202022
41302103331200010111
54002333303112143
6132215303222525
711603435112626
oct1622375400425
9381731631668
10122741457173
1148066397505
121b955a47a45
13b76115798a
145d2548ba4d
1532d59c9268
hex1c93f60115

122741457173 has 2 divisors, whose sum is σ = 122741457174. Its totient is φ = 122741457172.

The previous prime is 122741457127. The next prime is 122741457193. The reversal of 122741457173 is 371754147221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72933483844 + 49807973329 = 270062^2 + 223177^2 .

It is a cyclic number.

It is not a de Polignac number, because 122741457173 - 212 = 122741453077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122741457193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61370728586 + 61370728587.

It is an arithmetic number, because the mean of its divisors is an integer number (61370728587).

Almost surely, 2122741457173 is an apocalyptic number.

It is an amenable number.

122741457173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122741457173 is an equidigital number, since it uses as much as digits as its factorization.

122741457173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280, while the sum is 44.

The spelling of 122741457173 in words is "one hundred twenty-two billion, seven hundred forty-one million, four hundred fifty-seven thousand, one hundred seventy-three".