120442961 has 2 divisors, whose sum is σ = 120442962. Its totient is φ = 120442960.

The previous prime is 120442951. The next prime is 120442963. The reversal of 120442961 is 169244021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76300225 + 44142736 = 8735^2 + 6644^2 .

It is a cyclic number.

It is not a de Polignac number, because 120442961 - 2⁶ = 120442897 is a prime.

Together with 120442963, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 120442961 parts by 15520 straight cuts.

It is not a weakly prime, because it can be changed into another prime (120442963) 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, 60221480 + 60221481.

It is an arithmetic number, because the mean of its divisors is an integer number (60221481).

Almost surely, 2^120442961 is an apocalyptic number.

It is an amenable number.

120442961 is a deficient number, since it is larger than the sum of its proper divisors (1).

120442961 is an equidigital number, since it uses as much as digits as its factorization.

120442961 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 29.

The square root of 120442961 is about 10974.6508372704. The cubic root of 120442961 is about 493.8485783838.

Adding to 120442961 its reverse (169244021), we get a palindrome (289686982).

The spelling of 120442961 in words is "one hundred twenty million, four hundred forty-two thousand, nine hundred sixty-one".