9021012 has 96 divisors (see below), whose sum is σ = 28299264. Its totient is φ = 2160000.

The previous prime is 9020993. The next prime is 9021043. The reversal of 9021012 is 2101209.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9020982 and 9021000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11637 + ... + 12387.

It is an arithmetic number, because the mean of its divisors is an integer number (294784).

Almost surely, 2^9021012 is an apocalyptic number.

It is a pronic number, being equal to 3003×3004.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9021012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14149632).

9021012 is an abundant number, since it is smaller than the sum of its proper divisors (19278252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9021012 is a wasteful number, since it uses less digits than its factorization.

9021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 9021012 is about 3003.4999583819. The cubic root of 9021012 is about 208.1701332378.

The spelling of 9021012 in words is "nine million, twenty-one thousand, twelve".