121127916 has 48 divisors (see below), whose sum is σ = 347857664. Its totient is φ = 31945536.

The previous prime is 121127891. The next prime is 121127921. The reversal of 121127916 is 619721121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54370 + ... + 56553.

Almost surely, 2^121127916 is an apocalyptic number.

It is an amenable number.

121127916 is an abundant number, since it is smaller than the sum of its proper divisors (226729748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121127916 is a wasteful number, since it uses less digits than its factorization.

121127916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110950 (or 110948 counting only the distinct ones).

The product of its digits is 1512, while the sum is 30.

The square root of 121127916 is about 11005.8128277742. The cubic root of 121127916 is about 494.7829759787.

The spelling of 121127916 in words is "one hundred twenty-one million, one hundred twenty-seven thousand, nine hundred sixteen".