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122020273 is a prime number
BaseRepresentation
bin1110100010111…
…10000110110001
322111121021100101
413101132012301
5222214122043
620035152401
73011104144
oct721360661
9274537311
10122020273
1162971701
1234a45701
131c38365b
14122c405b
15aaa424d
hex745e1b1

122020273 has 2 divisors, whose sum is σ = 122020274. Its totient is φ = 122020272.

The previous prime is 122020229. The next prime is 122020307. The reversal of 122020273 is 372020221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105103504 + 16916769 = 10252^2 + 4113^2 .

It is an emirp because it is prime and its reverse (372020221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122020273 - 221 = 119923121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122020273.

It is not a weakly prime, because it can be changed into another prime (122020573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010136 + 61010137.

It is an arithmetic number, because the mean of its divisors is an integer number (61010137).

Almost surely, 2122020273 is an apocalyptic number.

It is an amenable number.

122020273 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020273 is an equidigital number, since it uses as much as digits as its factorization.

122020273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 122020273 is about 11046.2786946555. The cubic root of 122020273 is about 495.9950368585.

Adding to 122020273 its reverse (372020221), we get a palindrome (494040494).

The spelling of 122020273 in words is "one hundred twenty-two million, twenty thousand, two hundred seventy-three".