Search a number
-
+
120427 is a prime number
BaseRepresentation
bin11101011001101011
320010012021
4131121223
512323202
62325311
71011046
oct353153
9203167
10120427
118252a
1259837
1342a78
1431c5d
1525a37
hex1d66b

120427 has 2 divisors, whose sum is σ = 120428. Its totient is φ = 120426.

The previous prime is 120413. The next prime is 120431. The reversal of 120427 is 724021.

It is a strong prime.

It is an emirp because it is prime and its reverse (724021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120427 - 27 = 120299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120427.

It is not a weakly prime, because it can be changed into another prime (123427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60213 + 60214.

It is an arithmetic number, because the mean of its divisors is an integer number (60214).

2120427 is an apocalyptic number.

120427 is a deficient number, since it is larger than the sum of its proper divisors (1).

120427 is an equidigital number, since it uses as much as digits as its factorization.

120427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 120427 is about 347.0259356302. The cubic root of 120427 is about 49.3826762621.

Adding to 120427 its reverse (724021), we get a palindrome (844448).

The spelling of 120427 in words is "one hundred twenty thousand, four hundred twenty-seven", and thus it is an iban number.