121707316 has 12 divisors (see below), whose sum is σ = 220332420. Its totient is φ = 58755200.

The previous prime is 121707307. The next prime is 121707337. The reversal of 121707316 is 613707121.

It can be written as a sum of positive squares in 2 ways, for example, as 102819600 + 18887716 = 10140^2 + 4346^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524485 + ... + 524716.

It is an arithmetic number, because the mean of its divisors is an integer number (18361035).

Almost surely, 2^121707316 is an apocalyptic number.

It is an amenable number.

121707316 is a deficient number, since it is larger than the sum of its proper divisors (98625104).

121707316 is a wasteful number, since it uses less digits than its factorization.

121707316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049234 (or 1049232 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 121707316 is about 11032.1038791338. The cubic root of 121707316 is about 495.5706319318.

The spelling of 121707316 in words is "one hundred twenty-one million, seven hundred seven thousand, three hundred sixteen".