120320402077 has 2 divisors, whose sum is σ = 120320402078. Its totient is φ = 120320402076.

The previous prime is 120320402039. The next prime is 120320402101. The reversal of 120320402077 is 770204023021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116612688196 + 3707713881 = 341486^2 + 60891^2 .

It is a cyclic number.

It is not a de Polignac number, because 120320402077 - 2³¹ = 118172918429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120320462077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60160201038 + 60160201039.

It is an arithmetic number, because the mean of its divisors is an integer number (60160201039).

Almost surely, 2^120320402077 is an apocalyptic number.

It is an amenable number.

120320402077 is a deficient number, since it is larger than the sum of its proper divisors (1).

120320402077 is an equidigital number, since it uses as much as digits as its factorization.

120320402077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

Adding to 120320402077 its reverse (770204023021), we get a palindrome (890524425098).

The spelling of 120320402077 in words is "one hundred twenty billion, three hundred twenty million, four hundred two thousand, seventy-seven".