121743324 has 180 divisors, whose sum is σ = 363342672. Its totient is φ = 35354880.

The previous prime is 121743287. The next prime is 121743329. The reversal of 121743324 is 423347121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121743329) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3927189 + ... + 3927219.

Almost surely, 2^121743324 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 121743324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181671336).

121743324 is an abundant number, since it is smaller than the sum of its proper divisors (241599348).

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

121743324 is a wasteful number, since it uses less digits than its factorization.

121743324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 76 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 121743324 is about 11033.7357227731. The cubic root of 121743324 is about 495.6194998454.

The spelling of 121743324 in words is "one hundred twenty-one million, seven hundred forty-three thousand, three hundred twenty-four".