121034878 has 16 divisors (see below), whose sum is σ = 189858816. Its totient is φ = 57760120.

The previous prime is 121034867. The next prime is 121034891. The reversal of 121034878 is 878430121.

It is a happy number.

It is a super-3 number, since 3×121034878³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20523 + ... + 25753.

It is an arithmetic number, because the mean of its divisors is an integer number (11866176).

Almost surely, 2^121034878 is an apocalyptic number.

121034878 is a deficient number, since it is larger than the sum of its proper divisors (68823938).

121034878 is a wasteful number, since it uses less digits than its factorization.

121034878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 121034878 is about 11001.5852494084. The cubic root of 121034878 is about 494.6562630756.

Adding to 121034878 its reverse (878430121), we get a palindrome (999464999).

The spelling of 121034878 in words is "one hundred twenty-one million, thirty-four thousand, eight hundred seventy-eight".