Base | Representation |
---|---|
bin | 1110100011101… |
… | …10101110011111 |
3 | 22111210101200102 |
4 | 13101312232133 |
5 | 222230333434 |
6 | 20041251315 |
7 | 3012004151 |
oct | 721665637 |
9 | 274711612 |
10 | 122121119 |
11 | 62a3044a |
12 | 34a93b3b |
13 | 1c3ba523 |
14 | 1230cad1 |
15 | aac407e |
hex | 7476b9f |
122121119 has 2 divisors, whose sum is σ = 122121120. Its totient is φ = 122121118.
The previous prime is 122121107. The next prime is 122121187. The reversal of 122121119 is 911121221.
It is a weak prime.
It is an emirp because it is prime and its reverse (911121221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122121119 - 28 = 122120863 is a prime.
It is a super-2 number, since 2×1221211192 = 29827135411624322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 122121119.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122121199) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060559 + 61060560.
It is an arithmetic number, because the mean of its divisors is an integer number (61060560).
Almost surely, 2122121119 is an apocalyptic number.
122121119 is a deficient number, since it is larger than the sum of its proper divisors (1).
122121119 is an equidigital number, since it uses as much as digits as its factorization.
122121119 is an evil number, because the sum of its binary digits is even.
The product of its digits is 72, while the sum is 20.
The square root of 122121119 is about 11050.8424565732. The cubic root of 122121119 is about 496.1316407764.
It can be divided in two parts, 12212 and 1119, that added together give a palindrome (13331).
The spelling of 122121119 in words is "one hundred twenty-two million, one hundred twenty-one thousand, one hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •