121388892854 has 8 divisors (see below), whose sum is σ = 182086882200. Its totient is φ = 60693265456.

The previous prime is 121388892829. The next prime is 121388892869. The reversal of 121388892854 is 458298883121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 121388892793 and 121388892802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455864 + ... + 671259.

It is an arithmetic number, because the mean of its divisors is an integer number (22760860275).

Almost surely, 2^121388892854 is an apocalyptic number.

121388892854 is a deficient number, since it is larger than the sum of its proper divisors (60697989346).

121388892854 is a wasteful number, since it uses less digits than its factorization.

121388892854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180974.

The product of its digits is 8847360, while the sum is 59.

The spelling of 121388892854 in words is "one hundred twenty-one billion, three hundred eighty-eight million, eight hundred ninety-two thousand, eight hundred fifty-four".