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4342002121 is a prime number
BaseRepresentation
bin1000000101100110…
…11011000111001001
3102012121020120011101
410002303123013021
532343023031441
61554504101401
7212412260212
oct40263330711
912177216141
104342002121
111928a46506
12a12164861
13542737432
142d293c409
151a62ce231
hex102cdb1c9

4342002121 has 2 divisors, whose sum is σ = 4342002122. Its totient is φ = 4342002120.

The previous prime is 4342002109. The next prime is 4342002127. The reversal of 4342002121 is 1212002434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2322758025 + 2019244096 = 48195^2 + 44936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4342002121 is a prime.

It is not a weakly prime, because it can be changed into another prime (4342002127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2171001060 + 2171001061.

It is an arithmetic number, because the mean of its divisors is an integer number (2171001061).

Almost surely, 24342002121 is an apocalyptic number.

It is an amenable number.

4342002121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4342002121 is an equidigital number, since it uses as much as digits as its factorization.

4342002121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4342002121 is about 65893.8701322058. The cubic root of 4342002121 is about 1631.4108403016.

Adding to 4342002121 its reverse (1212002434), we get a palindrome (5554004555).

The spelling of 4342002121 in words is "four billion, three hundred forty-two million, two thousand, one hundred twenty-one".