9021250 has 40 divisors (see below), whose sum is σ = 19343808. Its totient is φ = 3090000.

The previous prime is 9021241. The next prime is 9021251. The reversal of 9021250 is 521209.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9021251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8235 + ... + 9265.

Almost surely, 2^9021250 is an apocalyptic number.

9021250 is an abundant number, since it is smaller than the sum of its proper divisors (10322558).

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

9021250 is a wasteful number, since it uses less digits than its factorization.

9021250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 9021250 is about 3003.5395785639. The cubic root of 9021250 is about 208.1719639288.

Adding to 9021250 its reverse (521209), we get a palindrome (9542459).

The spelling of 9021250 in words is "nine million, twenty-one thousand, two hundred fifty".