120144949 has 2 divisors, whose sum is σ = 120144950. Its totient is φ = 120144948.

The previous prime is 120144917. The next prime is 120144953. The reversal of 120144949 is 949441021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70442449 + 49702500 = 8393^2 + 7050^2 .

It is an emirp because it is prime and its reverse (949441021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120144949 - 2⁵ = 120144917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120147949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60072474 + 60072475.

It is an arithmetic number, because the mean of its divisors is an integer number (60072475).

Almost surely, 2^120144949 is an apocalyptic number.

It is an amenable number.

120144949 is a deficient number, since it is larger than the sum of its proper divisors (1).

120144949 is an equidigital number, since it uses as much as digits as its factorization.

120144949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 120144949 is about 10961.0651398484. The cubic root of 120144949 is about 493.4409321651.

The spelling of 120144949 in words is "one hundred twenty million, one hundred forty-four thousand, nine hundred forty-nine".