120234643 has 2 divisors, whose sum is σ = 120234644. Its totient is φ = 120234642.

The previous prime is 120234589. The next prime is 120234671. The reversal of 120234643 is 346432021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120234643 - 2²¹ = 118137491 is a prime.

It is not a weakly prime, because it can be changed into another prime (120234043) 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, 60117321 + 60117322.

It is an arithmetic number, because the mean of its divisors is an integer number (60117322).

Almost surely, 2^120234643 is an apocalyptic number.

120234643 is a deficient number, since it is larger than the sum of its proper divisors (1).

120234643 is an equidigital number, since it uses as much as digits as its factorization.

120234643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 120234643 is about 10965.1558584454. The cubic root of 120234643 is about 493.5636941071.

Adding to 120234643 its reverse (346432021), we get a palindrome (466666664).

The spelling of 120234643 in words is "one hundred twenty million, two hundred thirty-four thousand, six hundred forty-three".