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122744339 is a prime number
BaseRepresentation
bin1110101000011…
…10111000010011
322112222001120122
413110032320103
5222410304324
620102500455
73020211134
oct724167023
9275861518
10122744339
1163316703
123513472b
131c5780b3
1412431c8b
15ab98a5e
hex750ee13

122744339 has 2 divisors, whose sum is σ = 122744340. Its totient is φ = 122744338.

The previous prime is 122744287. The next prime is 122744341. The reversal of 122744339 is 933447221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122744339 is a prime.

It is a Sophie Germain prime.

Together with 122744341, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122744299 and 122744308.

It is not a weakly prime, because it can be changed into another prime (122744359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61372169 + 61372170.

It is an arithmetic number, because the mean of its divisors is an integer number (61372170).

Almost surely, 2122744339 is an apocalyptic number.

122744339 is a deficient number, since it is larger than the sum of its proper divisors (1).

122744339 is an equidigital number, since it uses as much as digits as its factorization.

122744339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 122744339 is about 11079.0044227810. The cubic root of 122744339 is about 496.9741777369.

The spelling of 122744339 in words is "one hundred twenty-two million, seven hundred forty-four thousand, three hundred thirty-nine".