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121227341 = 886113681
BaseRepresentation
bin1110011100111…
…00100001001101
322110002222122112
413032130201031
5222013233331
620010153405
73001262324
oct716344115
9273088575
10121227341
116247a994
1234722865
131c166771
14121590bb
15a99932b
hex739c84d

121227341 has 4 divisors (see below), whose sum is σ = 121249884. Its totient is φ = 121204800.

The previous prime is 121227311. The next prime is 121227343. The reversal of 121227341 is 143722121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143722121 = 241159611.

It can be written as a sum of positive squares in 2 ways, for example, as 117267241 + 3960100 = 10829^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 121227341 - 218 = 120965197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121227343) 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, 2021 + ... + 15701.

It is an arithmetic number, because the mean of its divisors is an integer number (30312471).

Almost surely, 2121227341 is an apocalyptic number.

It is an amenable number.

121227341 is a deficient number, since it is larger than the sum of its proper divisors (22543).

121227341 is an equidigital number, since it uses as much as digits as its factorization.

121227341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22542.

The product of its digits is 672, while the sum is 23.

The square root of 121227341 is about 11010.3288325100. The cubic root of 121227341 is about 494.9183159435.

Adding to 121227341 its reverse (143722121), we get a palindrome (264949462).

The spelling of 121227341 in words is "one hundred twenty-one million, two hundred twenty-seven thousand, three hundred forty-one".

Divisors: 1 8861 13681 121227341