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120319957 is a prime number
BaseRepresentation
bin1110010101111…
…10111111010101
322101101212221201
413022332333111
5221300214312
615534512501
72660463022
oct712767725
9271355851
10120319957
1161a1018a
1234365731
131bc09754
1411da0549
15a86a557
hex72befd5

120319957 has 2 divisors, whose sum is σ = 120319958. Its totient is φ = 120319956.

The previous prime is 120319949. The next prime is 120319961. The reversal of 120319957 is 759913021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87441201 + 32878756 = 9351^2 + 5734^2 .

It is a cyclic number.

It is not a de Polignac number, because 120319957 - 23 = 120319949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120319357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60159978 + 60159979.

It is an arithmetic number, because the mean of its divisors is an integer number (60159979).

Almost surely, 2120319957 is an apocalyptic number.

It is an amenable number.

120319957 is a deficient number, since it is larger than the sum of its proper divisors (1).

120319957 is an equidigital number, since it uses as much as digits as its factorization.

120319957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 120319957 is about 10969.0454005807. The cubic root of 120319957 is about 493.6804046116.

The spelling of 120319957 in words is "one hundred twenty million, three hundred nineteen thousand, nine hundred fifty-seven".