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121115083 is a prime number
BaseRepresentation
bin1110011100000…
…01000111001011
322102220021122211
413032001013023
5222001140313
620003525551
73000314125
oct716010713
9272807584
10121115083
1162403611
12346898b7
131c12763b
141212a215
15a975e3d
hex73811cb

121115083 has 2 divisors, whose sum is σ = 121115084. Its totient is φ = 121115082.

The previous prime is 121115077. The next prime is 121115129. The reversal of 121115083 is 380511121.

It is a weak prime.

It is an emirp because it is prime and its reverse (380511121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121115083 - 29 = 121114571 is a prime.

It is not a weakly prime, because it can be changed into another prime (121115003) 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, 60557541 + 60557542.

It is an arithmetic number, because the mean of its divisors is an integer number (60557542).

Almost surely, 2121115083 is an apocalyptic number.

121115083 is a deficient number, since it is larger than the sum of its proper divisors (1).

121115083 is an equidigital number, since it uses as much as digits as its factorization.

121115083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 121115083 is about 11005.2298022349. The cubic root of 121115083 is about 494.7655019607.

The spelling of 121115083 in words is "one hundred twenty-one million, one hundred fifteen thousand, eighty-three".