1000334121 has 4 divisors (see below), whose sum is σ = 1333778832. Its totient is φ = 666889412.

The previous prime is 1000334099. The next prime is 1000334129. The reversal of 1000334121 is 1214330001.

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 1000334121 - 2⁵ = 1000334089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000334121.

It is not an unprimeable number, because it can be changed into a prime (1000334129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166722351 + ... + 166722356.

It is an arithmetic number, because the mean of its divisors is an integer number (333444708).

Almost surely, 2^1000334121 is an apocalyptic number.

It is an amenable number.

1000334121 is a deficient number, since it is larger than the sum of its proper divisors (333444711).

1000334121 is an equidigital number, since it uses as much as digits as its factorization.

1000334121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333444710.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1000334121 is about 31628.0590773446. The cubic root of 1000334121 is about 1000.1113612649. Note that the first 3 decimals are identical.

Adding to 1000334121 its reverse (1214330001), we get a palindrome (2214664122).

The spelling of 1000334121 in words is "one billion, three hundred thirty-four thousand, one hundred twenty-one".