121843134 has 48 divisors (see below), whose sum is σ = 302396640. Its totient is φ = 34732800.

The previous prime is 121843069. The next prime is 121843153. The reversal of 121843134 is 431348121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121843098 and 121843107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74922 + ... + 76530.

It is an arithmetic number, because the mean of its divisors is an integer number (6299930).

Almost surely, 2^121843134 is an apocalyptic number.

121843134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121843134 is an abundant number, since it is smaller than the sum of its proper divisors (180553506).

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

121843134 is a wasteful number, since it uses less digits than its factorization.

121843134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225 (or 2222 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 121843134 is about 11038.2577429593. The cubic root of 121843134 is about 495.7549056819.

The spelling of 121843134 in words is "one hundred twenty-one million, eight hundred forty-three thousand, one hundred thirty-four".