121724352 has 168 divisors, whose sum is σ = 382292352. Its totient is φ = 36864000.

The previous prime is 121724329. The next prime is 121724359. The reversal of 121724352 is 253427121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121724359) 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, 303352 + ... + 303752.

Almost surely, 2^121724352 is an apocalyptic number.

121724352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121724352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191146176).

121724352 is an abundant number, since it is smaller than the sum of its proper divisors (260568000).

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

121724352 is a wasteful number, since it uses less digits than its factorization.

121724352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 454 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 121724352 is about 11032.8759623228. The cubic root of 121724352 is about 495.5937533778.

The spelling of 121724352 in words is "one hundred twenty-one million, seven hundred twenty-four thousand, three hundred fifty-two".