121660704 has 240 divisors, whose sum is σ = 414935136. Its totient is φ = 34560000.

The previous prime is 121660703. The next prime is 121660727. The reversal of 121660704 is 407066121.

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

It is not an unprimeable number, because it can be changed into a prime (121660703) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 484579 + ... + 484829.

Almost surely, 2^121660704 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 121660704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207467568).

121660704 is an abundant number, since it is smaller than the sum of its proper divisors (293274432).

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

121660704 is a wasteful number, since it uses less digits than its factorization.

121660704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 121660704 is about 11029.9911151369. The cubic root of 121660704 is about 495.5073585845.

The spelling of 121660704 in words is "one hundred twenty-one million, six hundred sixty thousand, seven hundred four".