121061804 has 6 divisors (see below), whose sum is σ = 211858164. Its totient is φ = 60530900.

The previous prime is 121061803. The next prime is 121061821. The reversal of 121061804 is 408160121.

It is a self number, because there is not a number n which added to its sum of digits gives 121061804.

It is not an unprimeable number, because it can be changed into a prime (121061803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15132722 + ... + 15132729.

It is an arithmetic number, because the mean of its divisors is an integer number (35309694).

Almost surely, 2^121061804 is an apocalyptic number.

It is an amenable number.

121061804 is a deficient number, since it is larger than the sum of its proper divisors (90796360).

121061804 is a wasteful number, since it uses less digits than its factorization.

121061804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30265455 (or 30265453 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 121061804 is about 11002.8089140910. The cubic root of 121061804 is about 494.6929415582.

The spelling of 121061804 in words is "one hundred twenty-one million, sixty-one thousand, eight hundred four".