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120755969 is a prime number
BaseRepresentation
bin1110011001010…
…01011100000001
322102020001001022
413030221130001
5221403142334
615552115225
72664260135
oct714513401
9272201038
10120755969
1162188824
1234535b15
131c030049
14120753c5
15a90482e
hex7329701

120755969 has 2 divisors, whose sum is σ = 120755970. Its totient is φ = 120755968.

The previous prime is 120755941. The next prime is 120756011. The reversal of 120755969 is 969557021.

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., 62995969 + 57760000 = 7937^2 + 7600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120755969 is a prime.

It is a super-2 number, since 2×1207559692 = 29164008098257922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120755939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60377984 + 60377985.

It is an arithmetic number, because the mean of its divisors is an integer number (60377985).

Almost surely, 2120755969 is an apocalyptic number.

It is an amenable number.

120755969 is a deficient number, since it is larger than the sum of its proper divisors (1).

120755969 is an equidigital number, since it uses as much as digits as its factorization.

120755969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 44.

The square root of 120755969 is about 10988.9020834658. The cubic root of 120755969 is about 494.2760140234.

The spelling of 120755969 in words is "one hundred twenty million, seven hundred fifty-five thousand, nine hundred sixty-nine".