121321002 has 32 divisors (see below), whose sum is σ = 271859904. Its totient is φ = 35769600.

The previous prime is 121321001. The next prime is 121321019. The reversal of 121321002 is 200123121.

It is not an unprimeable number, because it can be changed into a prime (121321001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22399 + ... + 27282.

It is an arithmetic number, because the mean of its divisors is an integer number (8495622).

Almost surely, 2^121321002 is an apocalyptic number.

121321002 is an abundant number, since it is smaller than the sum of its proper divisors (150538902).

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

121321002 is a wasteful number, since it uses less digits than its factorization.

121321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49734.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121321002 is about 11014.5813356659. The cubic root of 121321002 is about 495.0457421253.

Adding to 121321002 its reverse (200123121), we get a palindrome (321444123).

It can be divided in two parts, 121 and 321002, that added together give a palindrome (321123).

The spelling of 121321002 in words is "one hundred twenty-one million, three hundred twenty-one thousand, two".