121178076954 has 32 divisors (see below), whose sum is σ = 264555777024. Its totient is φ = 36697400880.

The previous prime is 121178076947. The next prime is 121178076967. The reversal of 121178076954 is 459670871121.

It is a junction number, because it is equal to n+sod(n) for n = 121178076897 and 121178076906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475444 + ... + 684399.

It is an arithmetic number, because the mean of its divisors is an integer number (8267368032).

Almost surely, 2^121178076954 is an apocalyptic number.

121178076954 is an abundant number, since it is smaller than the sum of its proper divisors (143377700070).

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

121178076954 is a wasteful number, since it uses less digits than its factorization.

121178076954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161442.

The product of its (nonzero) digits is 846720, while the sum is 51.

The spelling of 121178076954 in words is "one hundred twenty-one billion, one hundred seventy-eight million, seventy-six thousand, nine hundred fifty-four".