Search a number
-
+
121241226 = 23145313907
BaseRepresentation
bin1110011100111…
…11111010001010
322110010200200210
413032133322022
5222014204401
620010341550
73001350651
oct716377212
9273120623
10121241226
116248a367
123472a8b6
131c16cb92
1412160198
15a99d4d6
hex739fe8a

121241226 has 16 divisors (see below), whose sum is σ = 242666784. Its totient is φ = 40383024.

The previous prime is 121241213. The next prime is 121241227. The reversal of 121241226 is 622142121.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121241227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (15166674).

Almost surely, 2121241226 is an apocalyptic number.

121241226 is an abundant number, since it is smaller than the sum of its proper divisors (121425558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121241226 is a wasteful number, since it uses less digits than its factorization.

121241226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15365.

The product of its digits is 384, while the sum is 21.

The square root of 121241226 is about 11010.9593587480. The cubic root of 121241226 is about 494.9372106869.

Adding to 121241226 its reverse (622142121), we get a palindrome (743383347).

The spelling of 121241226 in words is "one hundred twenty-one million, two hundred forty-one thousand, two hundred twenty-six".

Divisors: 1 2 3 6 1453 2906 4359 8718 13907 27814 41721 83442 20206871 40413742 60620613 121241226