121996474 has 8 divisors (see below), whose sum is σ = 187940628. Its totient is φ = 59349600.

The previous prime is 121996453. The next prime is 121996477. The reversal of 121996474 is 474699121.

It can be written as a sum of positive squares in 2 ways, for example, as 89586225 + 32410249 = 9465^2 + 5693^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121996474.

It is not an unprimeable number, because it can be changed into a prime (121996477) by changing a digit.

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, 824227 + ... + 824374.

Almost surely, 2^121996474 is an apocalyptic number.

121996474 is a deficient number, since it is larger than the sum of its proper divisors (65944154).

121996474 is a wasteful number, since it uses less digits than its factorization.

121996474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648640.

The product of its digits is 108864, while the sum is 43.

The square root of 121996474 is about 11045.2014015137. The cubic root of 121996474 is about 495.9627882463.

The spelling of 121996474 in words is "one hundred twenty-one million, nine hundred ninety-six thousand, four hundred seventy-four".