Search a number
-
+
122061769 is a prime number
BaseRepresentation
bin1110100011010…
…00001111001001
322111200101021021
413101220033021
5222221434034
620040112441
73011336134
oct721501711
9274611237
10122061769
116299a8a5
1234a65721
131c3994cb
14122d521b
15aab16b4
hex74683c9

122061769 has 2 divisors, whose sum is σ = 122061770. Its totient is φ = 122061768.

The previous prime is 122061733. The next prime is 122061799. The reversal of 122061769 is 967160221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79655625 + 42406144 = 8925^2 + 6512^2 .

It is an emirp because it is prime and its reverse (967160221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122061769 - 213 = 122053577 is a prime.

It is a super-2 number, since 2×1220617692 = 29798150902818722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122061799) 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, 61030884 + 61030885.

It is an arithmetic number, because the mean of its divisors is an integer number (61030885).

Almost surely, 2122061769 is an apocalyptic number.

It is an amenable number.

122061769 is a deficient number, since it is larger than the sum of its proper divisors (1).

122061769 is an equidigital number, since it uses as much as digits as its factorization.

122061769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 122061769 is about 11048.1568146003. The cubic root of 122061769 is about 496.0512555968.

The spelling of 122061769 in words is "one hundred twenty-two million, sixty-one thousand, seven hundred sixty-nine".