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122701613 is a prime number
BaseRepresentation
bin1110101000001…
…00011100101101
322112212212222012
413110010130231
5222402422423
620101531005
73016642436
oct724043455
9275785865
10122701613
11632975a1
1235113a65
131c561808
141242048d
15ab8b078
hex750472d

122701613 has 2 divisors, whose sum is σ = 122701614. Its totient is φ = 122701612.

The previous prime is 122701603. The next prime is 122701637. The reversal of 122701613 is 316107221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106234249 + 16467364 = 10307^2 + 4058^2 .

It is a cyclic number.

It is not a de Polignac number, because 122701613 - 216 = 122636077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122701603) 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, 61350806 + 61350807.

It is an arithmetic number, because the mean of its divisors is an integer number (61350807).

Almost surely, 2122701613 is an apocalyptic number.

It is an amenable number.

122701613 is a deficient number, since it is larger than the sum of its proper divisors (1).

122701613 is an equidigital number, since it uses as much as digits as its factorization.

122701613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 122701613 is about 11077.0760131002. The cubic root of 122701613 is about 496.9165072349.

Adding to 122701613 its reverse (316107221), we get a palindrome (438808834).

The spelling of 122701613 in words is "one hundred twenty-two million, seven hundred one thousand, six hundred thirteen".