121198693 has 8 divisors (see below), whose sum is σ = 151104960. Its totient is φ = 94440480.

The previous prime is 121198691. The next prime is 121198697. The reversal of 121198693 is 396891121.

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

It is a cyclic number.

It is not a de Polignac number, because 121198693 - 2¹ = 121198691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121198691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786928 + ... + 787081.

It is an arithmetic number, because the mean of its divisors is an integer number (18888120).

Almost surely, 2^121198693 is an apocalyptic number.

It is an amenable number.

121198693 is a deficient number, since it is larger than the sum of its proper divisors (29906267).

121198693 is a wasteful number, since it uses less digits than its factorization.

121198693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574027.

The product of its digits is 23328, while the sum is 40.

The square root of 121198693 is about 11009.0277954050. The cubic root of 121198693 is about 494.8793271126.

The spelling of 121198693 in words is "one hundred twenty-one million, one hundred ninety-eight thousand, six hundred ninety-three".