120887 has 8 divisors (see below), whose sum is σ = 138096. Its totient is φ = 104832.
The previous prime is 120877. The next prime is 120889. The reversal of 120887 is 788021.
120887 is nontrivially palindromic in base 2.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 120887 - 24 = 120871 is a prime.
It is a super-2 number, since 2×1208872 = 29227333538, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 120887.
It is not an unprimeable number, because it can be changed into a prime (120889) 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, 53 + ... + 494.
It is an arithmetic number, because the mean of its divisors is an integer number (17262).
2120887 is an apocalyptic number.
120887 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
120887 is a deficient number, since it is larger than the sum of its proper divisors (17209).
120887 is a wasteful number, since it uses less digits than its factorization.
120887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 577.
The product of its (nonzero) digits is 896, while the sum is 26.
The square root of 120887 is about 347.6880785992. The cubic root of 120887 is about 49.4454727257.
The spelling of 120887 in words is "one hundred twenty thousand, eight hundred eighty-seven".
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