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120630361 is a prime number
BaseRepresentation
bin1110011000010…
…10110001011001
322101222122202011
413030022301121
5221340132421
615545305521
72663225005
oct714126131
9271878664
10120630361
1162102415
12344952a1
131bcb7b17
1412041705
15a8cc4e1
hex730ac59

120630361 has 2 divisors, whose sum is σ = 120630362. Its totient is φ = 120630360.

The previous prime is 120630359. The next prime is 120630371. The reversal of 120630361 is 163036021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100380361 + 20250000 = 10019^2 + 4500^2 .

It is an emirp because it is prime and its reverse (163036021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120630361 - 21 = 120630359 is a prime.

Together with 120630359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120630371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60315180 + 60315181.

It is an arithmetic number, because the mean of its divisors is an integer number (60315181).

Almost surely, 2120630361 is an apocalyptic number.

It is an amenable number.

120630361 is a deficient number, since it is larger than the sum of its proper divisors (1).

120630361 is an equidigital number, since it uses as much as digits as its factorization.

120630361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 120630361 is about 10983.1853758370. The cubic root of 120630361 is about 494.1045758161.

Adding to 120630361 its reverse (163036021), we get a palindrome (283666382).

The spelling of 120630361 in words is "one hundred twenty million, six hundred thirty thousand, three hundred sixty-one".