121017116 has 24 divisors (see below), whose sum is σ = 239001840. Its totient is φ = 53110400.

The previous prime is 121017109. The next prime is 121017119. The reversal of 121017116 is 611710121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121017119) 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, 46145 + ... + 48696.

It is an arithmetic number, because the mean of its divisors is an integer number (9958410).

Almost surely, 2^121017116 is an apocalyptic number.

It is an amenable number.

121017116 is a deficient number, since it is larger than the sum of its proper divisors (117984724).

121017116 is a wasteful number, since it uses less digits than its factorization.

121017116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94885 (or 94883 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 20.

The square root of 121017116 is about 11000.7779724890. Note that the first 3 decimals coincide. The cubic root of 121017116 is about 494.6320647770.

Adding to 121017116 its reverse (611710121), we get a palindrome (732727237).

The spelling of 121017116 in words is "one hundred twenty-one million, seventeen thousand, one hundred sixteen".