121001002 has 8 divisors (see below), whose sum is σ = 192178116. Its totient is φ = 56941632.

The previous prime is 121000993. The next prime is 121001033. The reversal of 121001002 is 200100121.

It can be written as a sum of positive squares in 2 ways, for example, as 104427961 + 16573041 = 10219^2 + 4071^2 .

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, 1779393 + ... + 1779460.

Almost surely, 2^121001002 is an apocalyptic number.

121001002 is a deficient number, since it is larger than the sum of its proper divisors (71177114).

121001002 is a wasteful number, since it uses less digits than its factorization.

121001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558872.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 121001002 is about 11000.0455453603. The cubic root of 121001002 is about 494.6101096047.

Adding to 121001002 its reverse (200100121), we get a palindrome (321101123).

The spelling of 121001002 in words is "one hundred twenty-one million, one thousand, two".