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128361007 is a prime number
BaseRepresentation
bin1111010011010…
…10001000101111
322221112102012101
413221222020233
5230330023012
620423115531
73116023225
oct751521057
9287472171
10128361007
1166502585
1236ba2ba7
1320793778
1413094b15
15b407d57
hex7a6a22f

128361007 has 2 divisors, whose sum is σ = 128361008. Its totient is φ = 128361006.

The previous prime is 128360957. The next prime is 128361011. The reversal of 128361007 is 700163821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128361007 - 27 = 128360879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128361097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64180503 + 64180504.

It is an arithmetic number, because the mean of its divisors is an integer number (64180504).

Almost surely, 2128361007 is an apocalyptic number.

128361007 is a deficient number, since it is larger than the sum of its proper divisors (1).

128361007 is an equidigital number, since it uses as much as digits as its factorization.

128361007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 128361007 is about 11329.6516716093. The cubic root of 128361007 is about 504.4417672305.

The spelling of 128361007 in words is "one hundred twenty-eight million, three hundred sixty-one thousand, seven".