121320698 has 8 divisors (see below), whose sum is σ = 182387700. Its totient is φ = 60524800.

The previous prime is 121320691. The next prime is 121320707. The reversal of 121320698 is 896023121.

It can be written as a sum of positive squares in 2 ways, for example, as 111999889 + 9320809 = 10583^2 + 3053^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121320691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66653 + ... + 68448.

Almost surely, 2^121320698 is an apocalyptic number.

121320698 is a deficient number, since it is larger than the sum of its proper divisors (61067002).

121320698 is a wasteful number, since it uses less digits than its factorization.

121320698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135552.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 121320698 is about 11014.5675357683. The cubic root of 121320698 is about 495.0453286382.

The spelling of 121320698 in words is "one hundred twenty-one million, three hundred twenty thousand, six hundred ninety-eight".