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120320957 is a prime number
BaseRepresentation
bin1110010101111…
…11001110111101
322101101221022202
413022333032331
5221300232312
615534521245
72660465651
oct712771675
9271357282
10120320957
1161a10a09
1234366225
131bc0a043
1411da0a61
15a86a9c2
hex72bf3bd

120320957 has 2 divisors, whose sum is σ = 120320958. Its totient is φ = 120320956.

The previous prime is 120320953. The next prime is 120320999. The reversal of 120320957 is 759023021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115906756 + 4414201 = 10766^2 + 2101^2 .

It is a cyclic number.

It is not a de Polignac number, because 120320957 - 22 = 120320953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120320953) 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, 60160478 + 60160479.

It is an arithmetic number, because the mean of its divisors is an integer number (60160479).

Almost surely, 2120320957 is an apocalyptic number.

It is an amenable number.

120320957 is a deficient number, since it is larger than the sum of its proper divisors (1).

120320957 is an equidigital number, since it uses as much as digits as its factorization.

120320957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 120320957 is about 10969.0909833039. The cubic root of 120320957 is about 493.6817722956.

Adding to 120320957 its reverse (759023021), we get a palindrome (879343978).

The spelling of 120320957 in words is "one hundred twenty million, three hundred twenty thousand, nine hundred fifty-seven".