120145841 has 2 divisors, whose sum is σ = 120145842. Its totient is φ = 120145840.

The previous prime is 120145829. The next prime is 120145871. The reversal of 120145841 is 148541021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88830625 + 31315216 = 9425^2 + 5596^2 .

It is an emirp because it is prime and its reverse (148541021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120145841 - 2⁶ = 120145777 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120145841.

It is not a weakly prime, because it can be changed into another prime (120145871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60072920 + 60072921.

It is an arithmetic number, because the mean of its divisors is an integer number (60072921).

Almost surely, 2^120145841 is an apocalyptic number.

It is an amenable number.

120145841 is a deficient number, since it is larger than the sum of its proper divisors (1).

120145841 is an equidigital number, since it uses as much as digits as its factorization.

120145841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 120145841 is about 10961.1058292492. The cubic root of 120145841 is about 493.4421533240.

Adding to 120145841 its reverse (148541021), we get a palindrome (268686862).

The spelling of 120145841 in words is "one hundred twenty million, one hundred forty-five thousand, eight hundred forty-one".