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120756497 is a prime number
BaseRepresentation
bin1110011001010…
…01100100010001
322102020001202212
413030221210101
5221403201442
615552121505
72664261521
oct714514421
9272201685
10120756497
1162189164
1234536295
131c030364
1412075681
15a904a82
hex7329911

120756497 has 2 divisors, whose sum is σ = 120756498. Its totient is φ = 120756496.

The previous prime is 120756487. The next prime is 120756511. The reversal of 120756497 is 794657021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120648256 + 108241 = 10984^2 + 329^2 .

It is an emirp because it is prime and its reverse (794657021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120756497 - 24 = 120756481 is a prime.

It is a super-2 number, since 2×1207564972 = 29164263135422018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120756407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60378248 + 60378249.

It is an arithmetic number, because the mean of its divisors is an integer number (60378249).

Almost surely, 2120756497 is an apocalyptic number.

It is an amenable number.

120756497 is a deficient number, since it is larger than the sum of its proper divisors (1).

120756497 is an equidigital number, since it uses as much as digits as its factorization.

120756497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 120756497 is about 10988.9261076777. The cubic root of 120756497 is about 494.2767344222.

The spelling of 120756497 in words is "one hundred twenty million, seven hundred fifty-six thousand, four hundred ninety-seven".