121122886 has 4 divisors (see below), whose sum is σ = 181684332. Its totient is φ = 60561442.

The previous prime is 121122877. The next prime is 121122907. The reversal of 121122886 is 688221121.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30280720 + ... + 30280723.

It is an arithmetic number, because the mean of its divisors is an integer number (45421083).

Almost surely, 2^121122886 is an apocalyptic number.

121122886 is a deficient number, since it is larger than the sum of its proper divisors (60561446).

121122886 is an equidigital number, since it uses as much as digits as its factorization.

121122886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60561445.

The product of its digits is 3072, while the sum is 31.

The square root of 121122886 is about 11005.5843097947. The cubic root of 121122886 is about 494.7761270406.

The spelling of 121122886 in words is "one hundred twenty-one million, one hundred twenty-two thousand, eight hundred eighty-six".