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122322121 is a prime number
BaseRepresentation
bin1110100101001…
…11110011001001
322112011121101221
413102213303021
5222303301441
620045442041
73013502155
oct722476311
9275147357
10122322121
1163058469
1234b70321
131c45ab6c
1412362065
15ab138d1
hex74a7cc9

122322121 has 2 divisors, whose sum is σ = 122322122. Its totient is φ = 122322120.

The previous prime is 122322077. The next prime is 122322127. The reversal of 122322121 is 121223221.

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., 121440400 + 881721 = 11020^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 122322121 - 215 = 122289353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122322095 and 122322104.

It is not a weakly prime, because it can be changed into another prime (122322127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61161060 + 61161061.

It is an arithmetic number, because the mean of its divisors is an integer number (61161061).

Almost surely, 2122322121 is an apocalyptic number.

It is an amenable number.

122322121 is a deficient number, since it is larger than the sum of its proper divisors (1).

122322121 is an equidigital number, since it uses as much as digits as its factorization.

122322121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 16.

The square root of 122322121 is about 11059.9331372301. The cubic root of 122322121 is about 496.4036897893.

Adding to 122322121 its reverse (121223221), we get a palindrome (243545342).

The spelling of 122322121 in words is "one hundred twenty-two million, three hundred twenty-two thousand, one hundred twenty-one".