121593472 has 192 divisors, whose sum is σ = 331508160. Its totient is φ = 43130880.

The previous prime is 121593467. The next prime is 121593473. The reversal of 121593472 is 274395121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121593473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1665628 + ... + 1665700.

It is an arithmetic number, because the mean of its divisors is an integer number (1726605).

Almost surely, 2^121593472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121593472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165754080).

121593472 is an abundant number, since it is smaller than the sum of its proper divisors (209914688).

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

121593472 is a wasteful number, since it uses less digits than its factorization.

121593472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 106 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 121593472 is about 11026.9430033895. The cubic root of 121593472 is about 495.4160661946.

The spelling of 121593472 in words is "one hundred twenty-one million, five hundred ninety-three thousand, four hundred seventy-two".