121320002 has 8 divisors (see below), whose sum is σ = 182039616. Its totient is φ = 60640132.

The previous prime is 121319999. The next prime is 121320011. The reversal of 121320002 is 200023121.

It is a happy number.

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, 518 + ... + 15585.

It is an arithmetic number, because the mean of its divisors is an integer number (22754952).

Almost surely, 2^121320002 is an apocalyptic number.

121320002 is a deficient number, since it is larger than the sum of its proper divisors (60719614).

121320002 is a wasteful number, since it uses less digits than its factorization.

121320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19872.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 121320002 is about 11014.5359412006. The cubic root of 121320002 is about 495.0443819676.

Adding to 121320002 its reverse (200023121), we get a palindrome (321343123).

The spelling of 121320002 in words is "one hundred twenty-one million, three hundred twenty thousand, two".