121516698 has 8 divisors (see below), whose sum is σ = 243033408. Its totient is φ = 40505564.

The previous prime is 121516691. The next prime is 121516709. The reversal of 121516698 is 896615121.

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

121516698 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (121516691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10126386 + ... + 10126397.

It is an arithmetic number, because the mean of its divisors is an integer number (30379176).

Almost surely, 2^121516698 is an apocalyptic number.

121516698 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121516698 is a wasteful number, since it uses less digits than its factorization.

121516698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20252788.

The product of its digits is 25920, while the sum is 39.

The square root of 121516698 is about 11023.4612531636. The cubic root of 121516698 is about 495.3117758344.

The spelling of 121516698 in words is "one hundred twenty-one million, five hundred sixteen thousand, six hundred ninety-eight".