1002032121 has 4 divisors (see below), whose sum is σ = 1336042832. Its totient is φ = 668021412.

The previous prime is 1002032081. The next prime is 1002032137. The reversal of 1002032121 is 1212302001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1002032121 - 2¹⁰ = 1002031097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002032097 and 1002032106.

It is not an unprimeable number, because it can be changed into a prime (1002032321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167005351 + ... + 167005356.

It is an arithmetic number, because the mean of its divisors is an integer number (334010708).

Almost surely, 2^1002032121 is an apocalyptic number.

It is an amenable number.

1002032121 is a deficient number, since it is larger than the sum of its proper divisors (334010711).

1002032121 is an equidigital number, since it uses as much as digits as its factorization.

1002032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334010710.

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

The square root of 1002032121 is about 31654.8909491093. The cubic root of 1002032121 is about 1000.6769153489.

Adding to 1002032121 its reverse (1212302001), we get a palindrome (2214334122).

The spelling of 1002032121 in words is "one billion, two million, thirty-two thousand, one hundred twenty-one".