121660074 has 48 divisors (see below), whose sum is σ = 269231040. Its totient is φ = 39695040.

The previous prime is 121660067. The next prime is 121660081. The reversal of 121660074 is 470066121.

It is an interprime number because it is at equal distance from previous prime (121660067) and next prime (121660081).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338707 + ... + 339065.

It is an arithmetic number, because the mean of its divisors is an integer number (5608980).

Almost surely, 2^121660074 is an apocalyptic number.

121660074 is an abundant number, since it is smaller than the sum of its proper divisors (147570966).

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

121660074 is a wasteful number, since it uses less digits than its factorization.

121660074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 121660074 is about 11029.9625566001. The cubic root of 121660074 is about 495.5065032818.

The spelling of 121660074 in words is "one hundred twenty-one million, six hundred sixty thousand, seventy-four".