121833856 has 32 divisors (see below), whose sum is σ = 247309200. Its totient is φ = 59764224.

The previous prime is 121833853. The next prime is 121833869. The reversal of 121833856 is 658338121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121833853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196 + ... + 15763.

Almost surely, 2^121833856 is an apocalyptic number.

121833856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121833856 is an abundant number, since it is smaller than the sum of its proper divisors (125475344).

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

121833856 is an equidigital number, since it uses as much as digits as its factorization.

121833856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18026 (or 18014 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 121833856 is about 11037.8374693597. The cubic root of 121833856 is about 495.7423219315.

The spelling of 121833856 in words is "one hundred twenty-one million, eight hundred thirty-three thousand, eight hundred fifty-six".