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120206497 is a prime number
BaseRepresentation
bin1110010101000…
…11010010100001
322101012010022111
413022203102201
5221233101442
615532235321
72656511155
oct712432241
9271163274
10120206497
1161942a14
123430bb41
131bb99c08
1411d71065
15a846b17
hex72a34a1

120206497 has 2 divisors, whose sum is σ = 120206498. Its totient is φ = 120206496.

The previous prime is 120206477. The next prime is 120206501. The reversal of 120206497 is 794602021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118461456 + 1745041 = 10884^2 + 1321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120206497 is a prime.

It is a super-2 number, since 2×1202064972 = 28899203842022018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120206467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60103248 + 60103249.

It is an arithmetic number, because the mean of its divisors is an integer number (60103249).

Almost surely, 2120206497 is an apocalyptic number.

It is an amenable number.

120206497 is a deficient number, since it is larger than the sum of its proper divisors (1).

120206497 is an equidigital number, since it uses as much as digits as its factorization.

120206497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 120206497 is about 10963.8723542369. The cubic root of 120206497 is about 493.5251779537.

The spelling of 120206497 in words is "one hundred twenty million, two hundred six thousand, four hundred ninety-seven".