121371066 has 24 divisors (see below), whose sum is σ = 266142240. Its totient is φ = 39969096.

The previous prime is 121371017. The next prime is 121371067. The reversal of 121371066 is 660173121.

It is not an unprimeable number, because it can be changed into a prime (121371067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39126 + ... + 42113.

It is an arithmetic number, because the mean of its divisors is an integer number (11089260).

Almost surely, 2^121371066 is an apocalyptic number.

121371066 is an abundant number, since it is smaller than the sum of its proper divisors (144771174).

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

121371066 is a wasteful number, since it uses less digits than its factorization.

121371066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81330 (or 81327 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 121371066 is about 11016.8537250887. The cubic root of 121371066 is about 495.1138275112.

It can be divided in two parts, 12137 and 1066, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 121371066 in words is "one hundred twenty-one million, three hundred seventy-one thousand, sixty-six".