121747874 has 8 divisors (see below), whose sum is σ = 183568620. Its totient is φ = 60558336.

The previous prime is 121747861. The next prime is 121747883. The reversal of 121747874 is 478747121.

It can be written as a sum of positive squares in 2 ways, for example, as 103897249 + 17850625 = 10193^2 + 4225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157319 + ... + 158090.

Almost surely, 2^121747874 is an apocalyptic number.

121747874 is a deficient number, since it is larger than the sum of its proper divisors (61820746).

121747874 is a wasteful number, since it uses less digits than its factorization.

121747874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315604.

The product of its digits is 87808, while the sum is 41.

The square root of 121747874 is about 11033.9419066805. The cubic root of 121747874 is about 495.6256741487.

The spelling of 121747874 in words is "one hundred twenty-one million, seven hundred forty-seven thousand, eight hundred seventy-four".