10021248 has 48 divisors (see below), whose sum is σ = 28840500. Its totient is φ = 3340032.

The previous prime is 10021247. The next prime is 10021259. The reversal of 10021248 is 84212001.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×10021248² = 200850822955008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 10021248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3198 + ... + 5501.

Almost surely, 2^10021248 is an apocalyptic number.

10021248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10021248 is an abundant number, since it is smaller than the sum of its proper divisors (18819252).

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

10021248 is an equidigital number, since it uses as much as digits as its factorization.

10021248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8719 (or 8704 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 10021248 is about 3165.6354812265. The cubic root of 10021248 is about 215.5959524828.

Adding to 10021248 its reverse (84212001), we get a palindrome (94233249).

The spelling of 10021248 in words is "ten million, twenty-one thousand, two hundred forty-eight".