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120343081 is a prime number
BaseRepresentation
bin1110010110001…
…00101000101001
322101110001200011
413023010220221
5221301434311
615535211521
72660620315
oct713045051
9271401604
10120343081
1161a265a1
1234376ba1
131bc17131
1411da8b45
15a872321
hex72c4a29

120343081 has 2 divisors, whose sum is σ = 120343082. Its totient is φ = 120343080.

The previous prime is 120343073. The next prime is 120343087. The reversal of 120343081 is 180343021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105781225 + 14561856 = 10285^2 + 3816^2 .

It is a cyclic number.

It is not a de Polignac number, because 120343081 - 23 = 120343073 is a prime.

It is a super-2 number, since 2×1203430812 = 28964914289145122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120343087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60171540 + 60171541.

It is an arithmetic number, because the mean of its divisors is an integer number (60171541).

Almost surely, 2120343081 is an apocalyptic number.

It is an amenable number.

120343081 is a deficient number, since it is larger than the sum of its proper divisors (1).

120343081 is an equidigital number, since it uses as much as digits as its factorization.

120343081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 120343081 is about 10970.0994070245. The cubic root of 120343081 is about 493.7120289979.

The spelling of 120343081 in words is "one hundred twenty million, three hundred forty-three thousand, eighty-one".