Search a number
-
+
122104429 is a prime number
BaseRepresentation
bin1110100011100…
…10101001101101
322111202112210021
413101302221231
5222224320204
620041042141
73011604406
oct721625155
9274675707
10122104429
1162a19957
1234a86351
131c3b2a55
14123069ad
15aabe154
hex7472a6d

122104429 has 2 divisors, whose sum is σ = 122104430. Its totient is φ = 122104428.

The previous prime is 122104427. The next prime is 122104439. The reversal of 122104429 is 924401221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120890025 + 1214404 = 10995^2 + 1102^2 .

It is a cyclic number.

It is not a de Polignac number, because 122104429 - 21 = 122104427 is a prime.

Together with 122104427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122104427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61052214 + 61052215.

It is an arithmetic number, because the mean of its divisors is an integer number (61052215).

Almost surely, 2122104429 is an apocalyptic number.

It is an amenable number.

122104429 is a deficient number, since it is larger than the sum of its proper divisors (1).

122104429 is an equidigital number, since it uses as much as digits as its factorization.

122104429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 122104429 is about 11050.0872847231. The cubic root of 122104429 is about 496.1090380401.

The spelling of 122104429 in words is "one hundred twenty-two million, one hundred four thousand, four hundred twenty-nine".