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122444121028237 is a prime number
BaseRepresentation
bin11011110101110010111110…
…010101101011011010001101
3121001112112200022200201101021
4123311302332111223122031
5112022111024440400422
61112230015212514141
734535203315143511
oct3365627625533215
9531475608621337
10122444121028237
1136018295232998
12118965a847b951
13534257b09a278
14223448170a141
15e250bc6e3dc7
hex6f5cbe56b68d

122444121028237 has 2 divisors, whose sum is σ = 122444121028238. Its totient is φ = 122444121028236.

The previous prime is 122444121028213. The next prime is 122444121028249. The reversal of 122444121028237 is 732820121444221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116930354872356 + 5513766155881 = 10813434^2 + 2348141^2 .

It is an emirp because it is prime and its reverse (732820121444221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122444121028237 - 27 = 122444121028109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122444121028193 and 122444121028202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122444121028297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61222060514118 + 61222060514119.

It is an arithmetic number, because the mean of its divisors is an integer number (61222060514119).

Almost surely, 2122444121028237 is an apocalyptic number.

It is an amenable number.

122444121028237 is a deficient number, since it is larger than the sum of its proper divisors (1).

122444121028237 is an equidigital number, since it uses as much as digits as its factorization.

122444121028237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 43.

The spelling of 122444121028237 in words is "one hundred twenty-two trillion, four hundred forty-four billion, one hundred twenty-one million, twenty-eight thousand, two hundred thirty-seven".