1000120033 has 16 divisors (see below), whose sum is σ = 1111475520. Its totient is φ = 892225600.

The previous prime is 1000120021. The next prime is 1000120049. The reversal of 1000120033 is 3300210001.

It is a cyclic number.

It is not a de Polignac number, because 1000120033 - 2⁵ = 1000120001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000120073) 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, 531891 + ... + 533767.

It is an arithmetic number, because the mean of its divisors is an integer number (69467220).

Almost surely, 2^1000120033 is an apocalyptic number.

It is an amenable number.

1000120033 is a deficient number, since it is larger than the sum of its proper divisors (111355487).

1000120033 is a wasteful number, since it uses less digits than its factorization.

1000120033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1000120033 is about 31624.6744331068. The cubic root of 1000120033 is about 1000.0400093992.

Adding to 1000120033 its reverse (3300210001), we get a palindrome (4300330034).

The spelling of 1000120033 in words is "one billion, one hundred twenty thousand, thirty-three".