121359894 has 8 divisors (see below), whose sum is σ = 242719800. Its totient is φ = 40453296.

The previous prime is 121359881. The next prime is 121359899. The reversal of 121359894 is 498953121.

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

121359894 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121359899) 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, 10113319 + ... + 10113330.

It is an arithmetic number, because the mean of its divisors is an integer number (30339975).

Almost surely, 2^121359894 is an apocalyptic number.

121359894 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.

121359894 is a wasteful number, since it uses less digits than its factorization.

121359894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20226654.

The product of its digits is 77760, while the sum is 42.

The square root of 121359894 is about 11016.3466721050. The cubic root of 121359894 is about 495.0986355835.

The spelling of 121359894 in words is "one hundred twenty-one million, three hundred fifty-nine thousand, eight hundred ninety-four".