121912704 has 96 divisors (see below), whose sum is σ = 354758040. Its totient is φ = 40181760.

The previous prime is 121912691. The next prime is 121912733. The reversal of 121912704 is 407219121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 111199 + ... + 112289.

Almost surely, 2^121912704 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 121912704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177379020).

121912704 is an abundant number, since it is smaller than the sum of its proper divisors (232845336).

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

121912704 is a wasteful number, since it uses less digits than its factorization.

121912704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 121912704 is about 11041.4086057894. The cubic root of 121912704 is about 495.8492431179.

The spelling of 121912704 in words is "one hundred twenty-one million, nine hundred twelve thousand, seven hundred four".