121886466 has 16 divisors (see below), whose sum is σ = 262524864. Its totient is φ = 37503504.

The previous prime is 121886411. The next prime is 121886477. The reversal of 121886466 is 664688121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781246 + ... + 781401.

It is an arithmetic number, because the mean of its divisors is an integer number (16407804).

Almost surely, 2^121886466 is an apocalyptic number.

121886466 is an abundant number, since it is smaller than the sum of its proper divisors (140638398).

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

121886466 is a wasteful number, since it uses less digits than its factorization.

121886466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562665.

The product of its digits is 110592, while the sum is 42.

The square root of 121886466 is about 11040.2203782352. The cubic root of 121886466 is about 495.8136684117.

The spelling of 121886466 in words is "one hundred twenty-one million, eight hundred eighty-six thousand, four hundred sixty-six".