1012021033 has 8 divisors (see below), whose sum is σ = 1108502280. Its totient is φ = 919645440.

The previous prime is 1012021027. The next prime is 1012021069. The reversal of 1012021033 is 3301202101.

1012021033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 102576384 + 909444649 = 10128^2 + 30157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012021033 - 2⁵ = 1012021001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012021093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025898 + ... + 1026883.

It is an arithmetic number, because the mean of its divisors is an integer number (138562785).

Almost surely, 2^1012021033 is an apocalyptic number.

It is an amenable number.

1012021033 is a deficient number, since it is larger than the sum of its proper divisors (96481247).

1012021033 is a wasteful number, since it uses less digits than its factorization.

1012021033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052827.

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

The square root of 1012021033 is about 31812.2780228012. The cubic root of 1012021033 is about 1003.9910612395.

Adding to 1012021033 its reverse (3301202101), we get a palindrome (4313223134).

The spelling of 1012021033 in words is "one billion, twelve million, twenty-one thousand, thirty-three".