121739484 has 48 divisors (see below), whose sum is σ = 288928640. Its totient is φ = 39890880.

The previous prime is 121739473. The next prime is 121739489. The reversal of 121739484 is 484937121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121739489) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 212919 + ... + 213489.

Almost surely, 2^121739484 is an apocalyptic number.

It is an amenable number.

121739484 is an abundant number, since it is smaller than the sum of its proper divisors (167189156).

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

121739484 is a wasteful number, since it uses less digits than its factorization.

121739484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 848 counting only the distinct ones).

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

The square root of 121739484 is about 11033.5617096203. The cubic root of 121739484 is about 495.6142888851.

The spelling of 121739484 in words is "one hundred twenty-one million, seven hundred thirty-nine thousand, four hundred eighty-four".