121607706 has 64 divisors (see below), whose sum is σ = 273715200. Its totient is φ = 35703360.

The previous prime is 121607683. The next prime is 121607711. The reversal of 121607706 is 607706121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610995 + ... + 611193.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^121607706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121607706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136857600).

121607706 is an abundant number, since it is smaller than the sum of its proper divisors (152107494).

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

121607706 is a wasteful number, since it uses less digits than its factorization.

121607706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 121607706 is about 11027.5884036357. The cubic root of 121607706 is about 495.4353969395.

The spelling of 121607706 in words is "one hundred twenty-one million, six hundred seven thousand, seven hundred six".