121064870 has 32 divisors (see below), whose sum is σ = 231145920. Its totient is φ = 45555840.

The previous prime is 121064863. The next prime is 121064887. The reversal of 121064870 is 78460121.

It is a congruent number.

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, 9716 + ... + 18344.

It is an arithmetic number, because the mean of its divisors is an integer number (7223310).

Almost surely, 2^121064870 is an apocalyptic number.

121064870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121064870 is a deficient number, since it is larger than the sum of its proper divisors (110081050).

121064870 is a wasteful number, since it uses less digits than its factorization.

121064870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8720.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 121064870 is about 11002.9482412670. The cubic root of 121064870 is about 494.6971177054.

The spelling of 121064870 in words is "one hundred twenty-one million, sixty-four thousand, eight hundred seventy".