Search a number
-
+
121124241 = 347213623
BaseRepresentation
bin1110011100000…
…11010110010001
322102220202020000
413032003112101
5222001433431
620004040213
73000352620
oct716032621
9272822200
10121124241
116240a487
1234693069
131c12b864
141212d6b7
15a9789e6
hex7383591

121124241 has 20 divisors (see below), whose sum is σ = 206788032. Its totient is φ = 69213528.

The previous prime is 121124219. The next prime is 121124257. The reversal of 121124241 is 142421121.

It is not a de Polignac number, because 121124241 - 26 = 121124177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121124261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 106245 + ... + 107378.

Almost surely, 2121124241 is an apocalyptic number.

It is an amenable number.

121124241 is a deficient number, since it is larger than the sum of its proper divisors (85663791).

121124241 is an equidigital number, since it uses as much as digits as its factorization.

121124241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213642 (or 213633 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 121124241 is about 11005.6458692800. The cubic root of 121124241 is about 494.7779720515. Note that the first 3 decimals are identical.

Adding to 121124241 its reverse (142421121), we get a palindrome (263545362).

It can be divided in two parts, 1211 and 24241, that added together give a palindrome (25452).

The spelling of 121124241 in words is "one hundred twenty-one million, one hundred twenty-four thousand, two hundred forty-one".

Divisors: 1 3 7 9 21 27 63 81 189 567 213623 640869 1495361 1922607 4486083 5767821 13458249 17303463 40374747 121124241