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122330129 is a prime number
BaseRepresentation
bin1110100101010…
…01110000010001
322112012000101112
413102221300101
5222304031004
620045543105
73013534415
oct722516021
9275160345
10122330129
1163063489
1234b74a95
131c4616bc
1412364d45
15ab15e6e
hex74a9c11

122330129 has 2 divisors, whose sum is σ = 122330130. Its totient is φ = 122330128.

The previous prime is 122330119. The next prime is 122330167. The reversal of 122330129 is 921033221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107081104 + 15249025 = 10348^2 + 3905^2 .

It is an emirp because it is prime and its reverse (921033221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122330129 is a prime.

It is a super-2 number, since 2×1223301292 = 29929320922313282, which contains 22 as substring.

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 (122330119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61165064 + 61165065.

It is an arithmetic number, because the mean of its divisors is an integer number (61165065).

Almost surely, 2122330129 is an apocalyptic number.

It is an amenable number.

122330129 is a deficient number, since it is larger than the sum of its proper divisors (1).

122330129 is an equidigital number, since it uses as much as digits as its factorization.

122330129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 122330129 is about 11060.2951588102. The cubic root of 122330129 is about 496.4145221555.

The spelling of 122330129 in words is "one hundred twenty-two million, three hundred thirty thousand, one hundred twenty-nine".