121892934 has 8 divisors (see below), whose sum is σ = 243785880. Its totient is φ = 40630976.

The previous prime is 121892909. The next prime is 121892957. The reversal of 121892934 is 439298121.

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

121892934 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 121892892 and 121892901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10157739 + ... + 10157750.

It is an arithmetic number, because the mean of its divisors is an integer number (30473235).

Almost surely, 2^121892934 is an apocalyptic number.

121892934 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.

121892934 is a wasteful number, since it uses less digits than its factorization.

121892934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20315494.

The product of its digits is 31104, while the sum is 39.

The square root of 121892934 is about 11040.5133032844. The cubic root of 121892934 is about 495.8224385024.

The spelling of 121892934 in words is "one hundred twenty-one million, eight hundred ninety-two thousand, nine hundred thirty-four".