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122424254357 is a prime number
BaseRepresentation
bin111001000000100001…
…1011101111110010101
3102200222221211111021212
41302001003131332111
54001211102114412
6132124012351205
711562533664236
oct1620103357625
9380887744255
10122424254357
1147a13333319
121b887775505
13b7105159c2
145cd52bb08d
1532b7c1d222
hex1c810ddf95

122424254357 has 2 divisors, whose sum is σ = 122424254358. Its totient is φ = 122424254356.

The previous prime is 122424254317. The next prime is 122424254419. The reversal of 122424254357 is 753452424221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89296978276 + 33127276081 = 298826^2 + 182009^2 .

It is a cyclic number.

It is not a de Polignac number, because 122424254357 - 214 = 122424237973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122424254317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61212127178 + 61212127179.

It is an arithmetic number, because the mean of its divisors is an integer number (61212127179).

Almost surely, 2122424254357 is an apocalyptic number.

It is an amenable number.

122424254357 is a deficient number, since it is larger than the sum of its proper divisors (1).

122424254357 is an equidigital number, since it uses as much as digits as its factorization.

122424254357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 537600, while the sum is 41.

Adding to 122424254357 its reverse (753452424221), we get a palindrome (875876678578).

The spelling of 122424254357 in words is "one hundred twenty-two billion, four hundred twenty-four million, two hundred fifty-four thousand, three hundred fifty-seven".