121540882 has 8 divisors (see below), whose sum is σ = 182534256. Its totient is φ = 60696132.

The previous prime is 121540877. The next prime is 121540897. The reversal of 121540882 is 288045121.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 35088 + ... + 38395.

It is an arithmetic number, because the mean of its divisors is an integer number (22816782).

Almost surely, 2^121540882 is an apocalyptic number.

121540882 is a deficient number, since it is larger than the sum of its proper divisors (60993374).

121540882 is an equidigital number, since it uses as much as digits as its factorization.

121540882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74312.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 121540882 is about 11024.5581317348. The cubic root of 121540882 is about 495.3446322940.

The spelling of 121540882 in words is "one hundred twenty-one million, five hundred forty thousand, eight hundred eighty-two".