121984499 has 8 divisors (see below), whose sum is σ = 150134880. Its totient is φ = 96515136.

The previous prime is 121984493. The next prime is 121984501. The reversal of 121984499 is 994489121.

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

It is a cyclic number.

It is not a de Polignac number, because 121984499 - 2¹² = 121980403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121984493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670154 + ... + 670335.

It is an arithmetic number, because the mean of its divisors is an integer number (18766860).

Almost surely, 2^121984499 is an apocalyptic number.

121984499 is a deficient number, since it is larger than the sum of its proper divisors (28150381).

121984499 is a wasteful number, since it uses less digits than its factorization.

121984499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340509.

The product of its digits is 186624, while the sum is 47.

The square root of 121984499 is about 11044.6592975972. The cubic root of 121984499 is about 495.9465600485.

The spelling of 121984499 in words is "one hundred twenty-one million, nine hundred eighty-four thousand, four hundred ninety-nine".