120240077 has 2 divisors, whose sum is σ = 120240078. Its totient is φ = 120240076.

The previous prime is 120240059. The next prime is 120240091. The reversal of 120240077 is 770042021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114618436 + 5621641 = 10706^2 + 2371^2 .

It is a cyclic number.

It is not a de Polignac number, because 120240077 - 2⁶ = 120240013 is a prime.

It is a super-2 number, since 2×120240077² = 28915352233931858, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120240007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60120038 + 60120039.

It is an arithmetic number, because the mean of its divisors is an integer number (60120039).

Almost surely, 2^120240077 is an apocalyptic number.

It is an amenable number.

120240077 is a deficient number, since it is larger than the sum of its proper divisors (1).

120240077 is an equidigital number, since it uses as much as digits as its factorization.

120240077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 120240077 is about 10965.4036405415. The cubic root of 120240077 is about 493.5711295257.

Adding to 120240077 its reverse (770042021), we get a palindrome (890282098).

The spelling of 120240077 in words is "one hundred twenty million, two hundred forty thousand, seventy-seven".