Base | Representation |
---|---|
bin | 1110011110100… |
… | …00101111010011 |
3 | 22110111212001112 |
4 | 13033100233103 |
5 | 222042104420 |
6 | 20014523535 |
7 | 3003143036 |
oct | 717205723 |
9 | 273455045 |
10 | 121441235 |
11 | 62606663 |
12 | 348065ab |
13 | 1c20cc26 |
14 | 121b301d |
15 | a9dc8c5 |
hex | 73d0bd3 |
121441235 has 4 divisors (see below), whose sum is σ = 145729488. Its totient is φ = 97152984.
The previous prime is 121441211. The next prime is 121441237. The reversal of 121441235 is 532144121.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 532144121 = 157 ⋅3389453.
It is a cyclic number.
It is not a de Polignac number, because 121441235 - 26 = 121441171 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 121441235.
It is not an unprimeable number, because it can be changed into a prime (121441237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12144119 + ... + 12144128.
It is an arithmetic number, because the mean of its divisors is an integer number (36432372).
Almost surely, 2121441235 is an apocalyptic number.
121441235 is a deficient number, since it is larger than the sum of its proper divisors (24288253).
121441235 is an equidigital number, since it uses as much as digits as its factorization.
121441235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24288252.
The product of its digits is 960, while the sum is 23.
The square root of 121441235 is about 11020.0378855973. The cubic root of 121441235 is about 495.2092235292.
Adding to 121441235 its reverse (532144121), we get a palindrome (653585356).
The spelling of 121441235 in words is "one hundred twenty-one million, four hundred forty-one thousand, two hundred thirty-five".
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