121883736 has 32 divisors (see below), whose sum is σ = 328149360. Its totient is φ = 37502592.

The previous prime is 121883683. The next prime is 121883743. The reversal of 121883736 is 637388121.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 121883694 and 121883703.

It is a congruent number.

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, 195015 + ... + 195638.

Almost surely, 2^121883736 is an apocalyptic number.

It is an amenable number.

121883736 is an abundant number, since it is smaller than the sum of its proper divisors (206265624).

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

121883736 is a wasteful number, since it uses less digits than its factorization.

121883736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390675 (or 390671 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 121883736 is about 11040.0967387066. The cubic root of 121883736 is about 495.8099666569.

The spelling of 121883736 in words is "one hundred twenty-one million, eight hundred eighty-three thousand, seven hundred thirty-six".