121766670 has 24 divisors (see below), whose sum is σ = 316593576. Its totient is φ = 32471088.

The previous prime is 121766663. The next prime is 121766683. The reversal of 121766670 is 76667121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 676392 + ... + 676571.

It is an arithmetic number, because the mean of its divisors is an integer number (13191399).

Almost surely, 2^121766670 is an apocalyptic number.

121766670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121766670 is an abundant number, since it is smaller than the sum of its proper divisors (194826906).

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

121766670 is a wasteful number, since it uses less digits than its factorization.

121766670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352976 (or 1352973 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 121766670 is about 11034.7936093069. The cubic root of 121766670 is about 495.6511784977.

The spelling of 121766670 in words is "one hundred twenty-one million, seven hundred sixty-six thousand, six hundred seventy".