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121130371 is a prime number
BaseRepresentation
bin1110011100001…
…00110110000011
322102221001122001
413032010312003
5222002132441
620004124431
73000406525
oct716046603
9272831561
10121130371
116241404a
1234696717
131c13159b
1412131a15
15a97a731
hex7384d83

121130371 has 2 divisors, whose sum is σ = 121130372. Its totient is φ = 121130370.

The previous prime is 121130311. The next prime is 121130381. The reversal of 121130371 is 173031121.

It is a strong prime.

It is an emirp because it is prime and its reverse (173031121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121130371 - 211 = 121128323 is a prime.

It is not a weakly prime, because it can be changed into another prime (121130311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60565185 + 60565186.

It is an arithmetic number, because the mean of its divisors is an integer number (60565186).

Almost surely, 2121130371 is an apocalyptic number.

121130371 is a deficient number, since it is larger than the sum of its proper divisors (1).

121130371 is an equidigital number, since it uses as much as digits as its factorization.

121130371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 121130371 is about 11005.9243591804. The cubic root of 121130371 is about 494.7863186819.

Adding to 121130371 its reverse (173031121), we get a palindrome (294161492).

The spelling of 121130371 in words is "one hundred twenty-one million, one hundred thirty thousand, three hundred seventy-one".