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124110432221 is a prime number
BaseRepresentation
bin111001110010110001…
…1101110011111011101
3102212100110200012110212
41303211203232133131
54013134232312341
6133003205142205
711652400160546
oct1634543563735
9385313605425
10124110432221
11486a9115746
12200783ba965
13b91b962a99
1460152054cd
153365c915eb
hex1ce58ee7dd

124110432221 has 2 divisors, whose sum is σ = 124110432222. Its totient is φ = 124110432220.

The previous prime is 124110432161. The next prime is 124110432239. The reversal of 124110432221 is 122234011421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123699924100 + 410508121 = 351710^2 + 20261^2 .

It is a cyclic number.

It is not a de Polignac number, because 124110432221 - 26 = 124110432157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124110432421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62055216110 + 62055216111.

It is an arithmetic number, because the mean of its divisors is an integer number (62055216111).

Almost surely, 2124110432221 is an apocalyptic number.

It is an amenable number.

124110432221 is a deficient number, since it is larger than the sum of its proper divisors (1).

124110432221 is an equidigital number, since it uses as much as digits as its factorization.

124110432221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 124110432221 its reverse (122234011421), we get a palindrome (246344443642).

The spelling of 124110432221 in words is "one hundred twenty-four billion, one hundred ten million, four hundred thirty-two thousand, two hundred twenty-one".