121549883 has 16 divisors (see below), whose sum is σ = 150042816. Its totient is φ = 95886720.

The previous prime is 121549877. The next prime is 121549889. The reversal of 121549883 is 388945121.

It is an interprime number because it is at equal distance from previous prime (121549877) and next prime (121549889).

It is a cyclic number.

It is not a de Polignac number, because 121549883 - 2⁴ = 121549867 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 121549883.

It is not an unprimeable number, because it can be changed into a prime (121549889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32153 + ... + 35733.

It is an arithmetic number, because the mean of its divisors is an integer number (9377676).

Almost surely, 2^121549883 is an apocalyptic number.

121549883 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121549883 is a deficient number, since it is larger than the sum of its proper divisors (28492933).

121549883 is a wasteful number, since it uses less digits than its factorization.

121549883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974.

The product of its digits is 69120, while the sum is 41.

The square root of 121549883 is about 11024.9663491550. The cubic root of 121549883 is about 495.3568599683.

The spelling of 121549883 in words is "one hundred twenty-one million, five hundred forty-nine thousand, eight hundred eighty-three".