Base | Representation |
---|---|
bin | 1110100110010… |
… | …00010010100001 |
3 | 22112102100221211 |
4 | 13103020102201 |
5 | 222322031301 |
6 | 20052350121 |
7 | 3014565151 |
oct | 723102241 |
9 | 275370854 |
10 | 122455201 |
11 | 63139450 |
12 | 35015341 |
13 | 1c4a65cb |
14 | 12398761 |
15 | ab3d051 |
hex | 74c84a1 |
122455201 has 4 divisors (see below), whose sum is σ = 133587504. Its totient is φ = 111322900.
The previous prime is 122455181. The next prime is 122455213. The reversal of 122455201 is 102554221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122455201 - 25 = 122455169 is a prime.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122455241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5566135 + ... + 5566156.
It is an arithmetic number, because the mean of its divisors is an integer number (33396876).
Almost surely, 2122455201 is an apocalyptic number.
122455201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
122455201 is a deficient number, since it is larger than the sum of its proper divisors (11132303).
122455201 is a wasteful number, since it uses less digits than its factorization.
122455201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11132302.
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 122455201 is about 11065.9478129982. The cubic root of 122455201 is about 496.5836448671.
The spelling of 122455201 in words is "one hundred twenty-two million, four hundred fifty-five thousand, two hundred one".
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