121382698 has 4 divisors (see below), whose sum is σ = 182074050. Its totient is φ = 60691348.

The previous prime is 121382693. The next prime is 121382711. The reversal of 121382698 is 896283121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 896283121 = 29297 ⋅30593.

It can be written as a sum of positive squares in only one way, i.e., 72982849 + 48399849 = 8543^2 + 6957^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 121382698.

It is not an unprimeable number, because it can be changed into a prime (121382693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30345673 + ... + 30345676.

Almost surely, 2^121382698 is an apocalyptic number.

121382698 is a deficient number, since it is larger than the sum of its proper divisors (60691352).

121382698 is an equidigital number, since it uses as much as digits as its factorization.

121382698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60691351.

The product of its digits is 41472, while the sum is 40.

The square root of 121382698 is about 11017.3816308595. The cubic root of 121382698 is about 495.1296439664.

The spelling of 121382698 in words is "one hundred twenty-one million, three hundred eighty-two thousand, six hundred ninety-eight".