121383889174 has 16 divisors (see below), whose sum is σ = 191665609200. Its totient is φ = 57495580704.

The previous prime is 121383889171. The next prime is 121383889181. The reversal of 121383889174 is 471988383121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121383889171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1859904 + ... + 1924060.

It is an arithmetic number, because the mean of its divisors is an integer number (11979100575).

Almost surely, 2^121383889174 is an apocalyptic number.

121383889174 is a deficient number, since it is larger than the sum of its proper divisors (70281720026).

121383889174 is a wasteful number, since it uses less digits than its factorization.

121383889174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113967.

The product of its digits is 2322432, while the sum is 55.

The spelling of 121383889174 in words is "one hundred twenty-one billion, three hundred eighty-three million, eight hundred eighty-nine thousand, one hundred seventy-four".