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120320197 is a prime number
BaseRepresentation
bin1110010101111…
…11000011000101
322101101220021121
413022333003011
5221300221242
615534513541
72660463514
oct712770305
9271356247
10120320197
1161a10388
12343658b1
131bc098aa
1411da067b
15a86a667
hex72bf0c5

120320197 has 2 divisors, whose sum is σ = 120320198. Its totient is φ = 120320196.

The previous prime is 120320191. The next prime is 120320219. The reversal of 120320197 is 791023021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118679236 + 1640961 = 10894^2 + 1281^2 .

It is a cyclic number.

It is not a de Polignac number, because 120320197 - 27 = 120320069 is a prime.

It is a super-2 number, since 2×1203201972 = 28953899612237618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120320191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60160098 + 60160099.

It is an arithmetic number, because the mean of its divisors is an integer number (60160099).

Almost surely, 2120320197 is an apocalyptic number.

It is an amenable number.

120320197 is a deficient number, since it is larger than the sum of its proper divisors (1).

120320197 is an equidigital number, since it uses as much as digits as its factorization.

120320197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 120320197 is about 10969.0563404515. The cubic root of 120320197 is about 493.6807328564.

The spelling of 120320197 in words is "one hundred twenty million, three hundred twenty thousand, one hundred ninety-seven".