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120275977 is a prime number
BaseRepresentation
bin1110010101101…
…00010000001001
322101022122121211
413022310100021
5221242312402
615533533121
72660220553
oct712642011
9271278554
10120275977
1161990138
12343441a1
131bbc2723
1411d8c4d3
15a85c4d7
hex72b4409

120275977 has 2 divisors, whose sum is σ = 120275978. Its totient is φ = 120275976.

The previous prime is 120275959. The next prime is 120276019. The reversal of 120275977 is 779572021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115541001 + 4734976 = 10749^2 + 2176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120275977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120275927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60137988 + 60137989.

It is an arithmetic number, because the mean of its divisors is an integer number (60137989).

Almost surely, 2120275977 is an apocalyptic number.

It is an amenable number.

120275977 is a deficient number, since it is larger than the sum of its proper divisors (1).

120275977 is an equidigital number, since it uses as much as digits as its factorization.

120275977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 120275977 is about 10967.0404850169. The cubic root of 120275977 is about 493.6202463726.

The spelling of 120275977 in words is "one hundred twenty million, two hundred seventy-five thousand, nine hundred seventy-seven".