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121032589 is a prime number
BaseRepresentation
bin1110011011011…
…00111110001101
322102202002111111
413031230332031
5221441020324
620002052021
72666521456
oct715547615
9272662444
10121032589
1162357637
123464a011
131c0c8c22
141210812d
15a95b794
hex736cf8d

121032589 has 2 divisors, whose sum is σ = 121032590. Its totient is φ = 121032588.

The previous prime is 121032547. The next prime is 121032629. The reversal of 121032589 is 985230121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93122500 + 27910089 = 9650^2 + 5283^2 .

It is a cyclic number.

It is not a de Polignac number, because 121032589 - 29 = 121032077 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 121032589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121032089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60516294 + 60516295.

It is an arithmetic number, because the mean of its divisors is an integer number (60516295).

Almost surely, 2121032589 is an apocalyptic number.

It is an amenable number.

121032589 is a deficient number, since it is larger than the sum of its proper divisors (1).

121032589 is an equidigital number, since it uses as much as digits as its factorization.

121032589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 121032589 is about 11001.4812184542. The cubic root of 121032589 is about 494.6531447587.

The spelling of 121032589 in words is "one hundred twenty-one million, thirty-two thousand, five hundred eighty-nine".