121339698 has 8 divisors (see below), whose sum is σ = 242679408. Its totient is φ = 40446564.

The previous prime is 121339649. The next prime is 121339703. The reversal of 121339698 is 896933121.

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

121339698 is an admirable number.

It is a Curzon 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, 10111636 + ... + 10111647.

It is an arithmetic number, because the mean of its divisors is an integer number (30334926).

Almost surely, 2^121339698 is an apocalyptic number.

121339698 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.

121339698 is a wasteful number, since it uses less digits than its factorization.

121339698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20223288.

The product of its digits is 69984, while the sum is 42.

The square root of 121339698 is about 11015.4299961463. The cubic root of 121339698 is about 495.0711702586.

The spelling of 121339698 in words is "one hundred twenty-one million, three hundred thirty-nine thousand, six hundred ninety-eight".