121724024 has 8 divisors (see below), whose sum is σ = 228232560. Its totient is φ = 60862008.

The previous prime is 121723997. The next prime is 121724041. The reversal of 121724024 is 420427121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7607744 + ... + 7607759.

It is an arithmetic number, because the mean of its divisors is an integer number (28529070).

Almost surely, 2^121724024 is an apocalyptic number.

It is an amenable number.

121724024 is a deficient number, since it is larger than the sum of its proper divisors (106508536).

121724024 is a wasteful number, since it uses less digits than its factorization.

121724024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15215509 (or 15215505 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 121724024 is about 11032.8610976482. The cubic root of 121724024 is about 495.5933082330.

The spelling of 121724024 in words is "one hundred twenty-one million, seven hundred twenty-four thousand, twenty-four".