Base | Representation |
---|---|
bin | 1110100011001… |
… | …10010111110001 |
3 | 22111122222210022 |
4 | 13101212113301 |
5 | 222221213004 |
6 | 20040013225 |
7 | 3011304641 |
oct | 721462761 |
9 | 274588708 |
10 | 122054129 |
11 | 6299508a |
12 | 34a61215 |
13 | 1c395ba2 |
14 | 122d2521 |
15 | aaae2be |
hex | 74665f1 |
122054129 has 2 divisors, whose sum is σ = 122054130. Its totient is φ = 122054128.
The previous prime is 122054117. The next prime is 122054137. The reversal of 122054129 is 921450221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 121506529 + 547600 = 11023^2 + 740^2 .
It is an emirp because it is prime and its reverse (921450221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122054129 - 24 = 122054113 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 122054098 and 122054107.
It is not a weakly prime, because it can be changed into another prime (122054329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61027064 + 61027065.
It is an arithmetic number, because the mean of its divisors is an integer number (61027065).
Almost surely, 2122054129 is an apocalyptic number.
It is an amenable number.
122054129 is a deficient number, since it is larger than the sum of its proper divisors (1).
122054129 is an equidigital number, since it uses as much as digits as its factorization.
122054129 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 122054129 is about 11047.8110501583. The cubic root of 122054129 is about 496.0409058897.
The spelling of 122054129 in words is "one hundred twenty-two million, fifty-four thousand, one hundred twenty-nine".
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