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122012441 is a prime number
BaseRepresentation
bin1110100010111…
…00001100011001
322111120212121022
413101130030121
5222213344231
620035052225
73011042255
oct721341431
9274525538
10122012441
1162966831
1234a41075
131c37cc15
14122c1265
15aaa1c7b
hex745c319

122012441 has 2 divisors, whose sum is σ = 122012442. Its totient is φ = 122012440.

The previous prime is 122012437. The next prime is 122012467. The reversal of 122012441 is 144210221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118897216 + 3115225 = 10904^2 + 1765^2 .

It is a cyclic number.

It is not a de Polignac number, because 122012441 - 22 = 122012437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (122012491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006220 + 61006221.

It is an arithmetic number, because the mean of its divisors is an integer number (61006221).

Almost surely, 2122012441 is an apocalyptic number.

It is an amenable number.

122012441 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012441 is an equidigital number, since it uses as much as digits as its factorization.

122012441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 122012441 is about 11045.9241804387. The cubic root of 122012441 is about 495.9844246431.

Adding to 122012441 its reverse (144210221), we get a palindrome (266222662).

The spelling of 122012441 in words is "one hundred twenty-two million, twelve thousand, four hundred forty-one".