120027643 has 2 divisors, whose sum is σ = 120027644. Its totient is φ = 120027642.

The previous prime is 120027637. The next prime is 120027671. The reversal of 120027643 is 346720021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120027643 is a prime.

It is not a weakly prime, because it can be changed into another prime (120027683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60013821 + 60013822.

It is an arithmetic number, because the mean of its divisors is an integer number (60013822).

Almost surely, 2^120027643 is an apocalyptic number.

120027643 is a deficient number, since it is larger than the sum of its proper divisors (1).

120027643 is an equidigital number, since it uses as much as digits as its factorization.

120027643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 120027643 is about 10955.7128020043. The cubic root of 120027643 is about 493.2802861251.

Adding to 120027643 its reverse (346720021), we get a palindrome (466747664).

The spelling of 120027643 in words is "one hundred twenty million, twenty-seven thousand, six hundred forty-three".