120803887 has 8 divisors (see below), whose sum is σ = 128012832. Its totient is φ = 113606400.

The previous prime is 120803863. The next prime is 120803929. The reversal of 120803887 is 788308021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120803887 is a prime.

It is a super-2 number, since 2×120803887² = 29187158228617538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120803827) 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, 29187 + ... + 33067.

It is an arithmetic number, because the mean of its divisors is an integer number (16001604).

Almost surely, 2^120803887 is an apocalyptic number.

120803887 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

120803887 is a deficient number, since it is larger than the sum of its proper divisors (7208945).

120803887 is a wasteful number, since it uses less digits than its factorization.

120803887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 120803887 is about 10991.0821578223. The cubic root of 120803887 is about 494.3413843901.

The spelling of 120803887 in words is "one hundred twenty million, eight hundred three thousand, eight hundred eighty-seven".