121016 has 16 divisors (see below), whose sum is σ = 259440. Its totient is φ = 51840.
The previous prime is 121013. The next prime is 121019. The reversal of 121016 is 610121.
It is an interprime number because it is at equal distance from previous prime (121013) and next prime (121019).
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 120988 and 121006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121013) 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, 1025 + ... + 1136.
It is an arithmetic number, because the mean of its divisors is an integer number (16215).
2121016 is an apocalyptic number.
It is an amenable number.
121016 is an abundant number, since it is smaller than the sum of its proper divisors (138424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121016 is a wasteful number, since it uses less digits than its factorization.
121016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2174 (or 2170 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 121016 is about 347.8735402413. The cubic root of 121016 is about 49.4630544300.
Adding to 121016 its reverse (610121), we get a palindrome (731137).
The spelling of 121016 in words is "one hundred twenty-one thousand, sixteen".
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