121768134 has 16 divisors (see below), whose sum is σ = 243793920. Its totient is φ = 40546440.

The previous prime is 121768123. The next prime is 121768177. The reversal of 121768134 is 431867121.

It is a junction number, because it is equal to n+sod(n) for n = 121768095 and 121768104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4294 + ... + 16185.

It is an arithmetic number, because the mean of its divisors is an integer number (15237120).

Almost surely, 2^121768134 is an apocalyptic number.

121768134 is an abundant number, since it is smaller than the sum of its proper divisors (122025786).

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

121768134 is a wasteful number, since it uses less digits than its factorization.

121768134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21475.

The product of its digits is 8064, while the sum is 33.

The square root of 121768134 is about 11034.8599447388. The cubic root of 121768134 is about 495.6531648936.

The spelling of 121768134 in words is "one hundred twenty-one million, seven hundred sixty-eight thousand, one hundred thirty-four".