1000332121 has 4 divisors (see below), whose sum is σ = 1052981200. Its totient is φ = 947683044.

The previous prime is 1000332103. The next prime is 1000332127. The reversal of 1000332121 is 1212330001.

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 a cyclic number.

It is not a de Polignac number, because 1000332121 - 2⁵ = 1000332089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000332127) 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, 26324511 + ... + 26324548.

It is an arithmetic number, because the mean of its divisors is an integer number (263245300).

Almost surely, 2^1000332121 is an apocalyptic number.

It is an amenable number.

1000332121 is a deficient number, since it is larger than the sum of its proper divisors (52649079).

1000332121 is an equidigital number, since it uses as much as digits as its factorization.

1000332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52649078.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1000332121 is about 31628.0274598338. The cubic root of 1000332121 is about 1000.1106947462.

Adding to 1000332121 its reverse (1212330001), we get a palindrome (2212662122).

It can be divided in two parts, 10003 and 32121, that added together give a palindrome (42124).

The spelling of 1000332121 in words is "one billion, three hundred thirty-two thousand, one hundred twenty-one".