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121022087 is a prime number
BaseRepresentation
bin1110011011010…
…10011010000111
322102201120002112
413031222122013
5221440201322
620001531235
72666446034
oct715523207
9272646075
10121022087
116234a75a
1234643b1b
131c0c4204
141210438b
15a9585e2
hex736a687

121022087 has 2 divisors, whose sum is σ = 121022088. Its totient is φ = 121022086.

The previous prime is 121022063. The next prime is 121022093. The reversal of 121022087 is 780220121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121022087 - 26 = 121022023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120022087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511043 + 60511044.

It is an arithmetic number, because the mean of its divisors is an integer number (60511044).

Almost surely, 2121022087 is an apocalyptic number.

121022087 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022087 is an equidigital number, since it uses as much as digits as its factorization.

121022087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 121022087 is about 11001.0039087349. The cubic root of 121022087 is about 494.6388373240.

The spelling of 121022087 in words is "one hundred twenty-one million, twenty-two thousand, eighty-seven".