121109876 has 48 divisors (see below), whose sum is σ = 230247360. Its totient is φ = 55560960.

The previous prime is 121109873. The next prime is 121109959. The reversal of 121109876 is 678901121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121109873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430856 + ... + 431136.

It is an arithmetic number, because the mean of its divisors is an integer number (4796820).

Almost surely, 2^121109876 is an apocalyptic number.

It is an amenable number.

121109876 is a deficient number, since it is larger than the sum of its proper divisors (109137484).

121109876 is a wasteful number, since it uses less digits than its factorization.

121109876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 121109876 is about 11004.9932303478. The cubic root of 121109876 is about 494.7584115119.

The spelling of 121109876 in words is "one hundred twenty-one million, one hundred nine thousand, eight hundred seventy-six".