120782663 has 2 divisors, whose sum is σ = 120782664. Its totient is φ = 120782662.

The previous prime is 120782659. The next prime is 120782723. The reversal of 120782663 is 366287021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120782663 - 2² = 120782659 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120782633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60391331 + 60391332.

It is an arithmetic number, because the mean of its divisors is an integer number (60391332).

Almost surely, 2^120782663 is an apocalyptic number.

120782663 is a deficient number, since it is larger than the sum of its proper divisors (1).

120782663 is an equidigital number, since it uses as much as digits as its factorization.

120782663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 120782663 is about 10990.1166053869. The cubic root of 120782663 is about 494.3124324628.

It can be divided in two parts, 12078 and 2663, that added together give a palindrome (14741).

The spelling of 120782663 in words is "one hundred twenty million, seven hundred eighty-two thousand, six hundred sixty-three".