121383416 has 64 divisors (see below), whose sum is σ = 286709760. Its totient is φ = 46800000.

The previous prime is 121383407. The next prime is 121383439. The reversal of 121383416 is 614383121.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61241 + ... + 63191.

It is an arithmetic number, because the mean of its divisors is an integer number (4479840).

Almost surely, 2^121383416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121383416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143354880).

121383416 is an abundant number, since it is smaller than the sum of its proper divisors (165326344).

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

121383416 is a wasteful number, since it uses less digits than its factorization.

121383416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 2072 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 121383416 is about 11017.4142156860. The cubic root of 121383416 is about 495.1306202241.

The spelling of 121383416 in words is "one hundred twenty-one million, three hundred eighty-three thousand, four hundred sixteen".