120908663 has 2 divisors, whose sum is σ = 120908664. Its totient is φ = 120908662.

The previous prime is 120908653. The next prime is 120908729. The reversal of 120908663 is 366809021.

It is a weak prime.

It is an emirp because it is prime and its reverse (366809021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120908663 - 2⁸ = 120908407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120908603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60454331 + 60454332.

It is an arithmetic number, because the mean of its divisors is an integer number (60454332).

Almost surely, 2^120908663 is an apocalyptic number.

120908663 is a deficient number, since it is larger than the sum of its proper divisors (1).

120908663 is an equidigital number, since it uses as much as digits as its factorization.

120908663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 120908663 is about 10995.8475344104. The cubic root of 120908663 is about 494.4842609895.

The spelling of 120908663 in words is "one hundred twenty million, nine hundred eight thousand, six hundred sixty-three".