121117016 has 16 divisors (see below), whose sum is σ = 229105800. Its totient is φ = 60022144.

The previous prime is 121116997. The next prime is 121117037. The reversal of 121117016 is 610711121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66086 + ... + 67893.

Almost surely, 2^121117016 is an apocalyptic number.

It is an amenable number.

121117016 is a deficient number, since it is larger than the sum of its proper divisors (107988784).

121117016 is a wasteful number, since it uses less digits than its factorization.

121117016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134098 (or 134094 counting only the distinct ones).

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

The square root of 121117016 is about 11005.3176237672. The cubic root of 121117016 is about 494.7681341036.

Adding to 121117016 its reverse (610711121), we get a palindrome (731828137).

The spelling of 121117016 in words is "one hundred twenty-one million, one hundred seventeen thousand, sixteen".