120245843 has 2 divisors, whose sum is σ = 120245844. Its totient is φ = 120245842.

The previous prime is 120245809. The next prime is 120245849. The reversal of 120245843 is 348542021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120245843 is a prime.

It is not a weakly prime, because it can be changed into another prime (120245849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60122921 + 60122922.

It is an arithmetic number, because the mean of its divisors is an integer number (60122922).

Almost surely, 2^120245843 is an apocalyptic number.

120245843 is a deficient number, since it is larger than the sum of its proper divisors (1).

120245843 is an equidigital number, since it uses as much as digits as its factorization.

120245843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 120245843 is about 10965.6665552077. Note that the first 3 decimals coincide. The cubic root of 120245843 is about 493.5790189796.

Adding to 120245843 its reverse (348542021), we get a palindrome (468787864).

The spelling of 120245843 in words is "one hundred twenty million, two hundred forty-five thousand, eight hundred forty-three".