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121130003 is a prime number
BaseRepresentation
bin1110011100001…
…00110000010011
322102221001010102
413032010300103
5222002130003
620004123015
73000405461
oct716046023
9272831112
10121130003
1162413845
123469646b
131c131377
1412131831
15a97a588
hex7384c13

121130003 has 2 divisors, whose sum is σ = 121130004. Its totient is φ = 121130002.

The previous prime is 121129919. The next prime is 121130033. The reversal of 121130003 is 300031121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121130003 - 216 = 121064467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121130033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60565001 + 60565002.

It is an arithmetic number, because the mean of its divisors is an integer number (60565002).

Almost surely, 2121130003 is an apocalyptic number.

121130003 is a deficient number, since it is larger than the sum of its proper divisors (1).

121130003 is an equidigital number, since it uses as much as digits as its factorization.

121130003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 121130003 is about 11005.9076408990. The cubic root of 121130003 is about 494.7858176197.

Adding to 121130003 its reverse (300031121), we get a palindrome (421161124).

The spelling of 121130003 in words is "one hundred twenty-one million, one hundred thirty thousand, three".