120395663 has 4 divisors (see below), whose sum is σ = 120559320. Its totient is φ = 120232008.

The previous prime is 120395659. The next prime is 120395677. The reversal of 120395663 is 366593021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120395663 - 2² = 120395659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120395603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80720 + ... + 82197.

It is an arithmetic number, because the mean of its divisors is an integer number (30139830).

Almost surely, 2^120395663 is an apocalyptic number.

120395663 is a deficient number, since it is larger than the sum of its proper divisors (163657).

120395663 is an equidigital number, since it uses as much as digits as its factorization.

120395663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163656.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 120395663 is about 10972.4957507397. The cubic root of 120395663 is about 493.7839250738.

The spelling of 120395663 in words is "one hundred twenty million, three hundred ninety-five thousand, six hundred sixty-three".