120545441 has 2 divisors, whose sum is σ = 120545442. Its totient is φ = 120545440.

The previous prime is 120545429. The next prime is 120545471. The reversal of 120545441 is 144545021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92083216 + 28462225 = 9596^2 + 5335^2 .

It is an emirp because it is prime and its reverse (144545021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120545441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120545441.

It is not a weakly prime, because it can be changed into another prime (120545471) 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, 60272720 + 60272721.

It is an arithmetic number, because the mean of its divisors is an integer number (60272721).

Almost surely, 2^120545441 is an apocalyptic number.

It is an amenable number.

120545441 is a deficient number, since it is larger than the sum of its proper divisors (1).

120545441 is an equidigital number, since it uses as much as digits as its factorization.

120545441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 120545441 is about 10979.3187857899. The cubic root of 120545441 is about 493.9886038775.

The spelling of 120545441 in words is "one hundred twenty million, five hundred forty-five thousand, four hundred forty-one".