121853466 has 96 divisors (see below), whose sum is σ = 312968448. Its totient is φ = 33546240.

The previous prime is 121853453. The next prime is 121853483. The reversal of 121853466 is 664358121.

It is a happy number.

121853466 is a `hidden beast` number, since 12 + 185 + 3 + 466 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 121853466.

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 47 ways as a sum of consecutive naturals, for example, 474010 + ... + 474266.

It is an arithmetic number, because the mean of its divisors is an integer number (3260088).

Almost surely, 2^121853466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121853466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156484224).

121853466 is an abundant number, since it is smaller than the sum of its proper divisors (191114982).

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

121853466 is a wasteful number, since it uses less digits than its factorization.

121853466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 393 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 121853466 is about 11038.7257416787. The cubic root of 121853466 is about 495.7689182207.

It can be divided in two parts, 12185 and 3466, that added together give a palindrome (15651).

The spelling of 121853466 in words is "one hundred twenty-one million, eight hundred fifty-three thousand, four hundred sixty-six".