121734624 has 48 divisors (see below), whose sum is σ = 348606720. Its totient is φ = 36888960.

The previous prime is 121734619. The next prime is 121734629. The reversal of 121734624 is 426437121.

It is an interprime number because it is at equal distance from previous prime (121734619) and next prime (121734629).

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 121734591 and 121734600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121734629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56584 + ... + 58695.

It is an arithmetic number, because the mean of its divisors is an integer number (7262640).

Almost surely, 2^121734624 is an apocalyptic number.

It is an amenable number.

121734624 is an abundant number, since it is smaller than the sum of its proper divisors (226872096).

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

121734624 is a wasteful number, since it uses less digits than its factorization.

121734624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115303 (or 115295 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 121734624 is about 11033.3414702890. The cubic root of 121734624 is about 495.6076936063.

The spelling of 121734624 in words is "one hundred twenty-one million, seven hundred thirty-four thousand, six hundred twenty-four".