120663647 has 8 divisors (see below), whose sum is σ = 130808160. Its totient is φ = 110642400.

The previous prime is 120663643. The next prime is 120663649. The reversal of 120663647 is 746366021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120663647 - 2² = 120663643 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 (120663643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28772 + ... + 32697.

It is an arithmetic number, because the mean of its divisors is an integer number (16351020).

Almost surely, 2^120663647 is an apocalyptic number.

120663647 is a deficient number, since it is larger than the sum of its proper divisors (10144513).

120663647 is a wasteful number, since it uses less digits than its factorization.

120663647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61633.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 120663647 is about 10984.7005876355. The cubic root of 120663647 is about 494.1500183627.

The spelling of 120663647 in words is "one hundred twenty million, six hundred sixty-three thousand, six hundred forty-seven".