10021272 has 16 divisors (see below), whose sum is σ = 25053240. Its totient is φ = 3340416.

The previous prime is 10021267. The next prime is 10021283. The reversal of 10021272 is 27212001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208753 + ... + 208800.

Almost surely, 2^10021272 is an apocalyptic number.

10021272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021272 is an abundant number, since it is smaller than the sum of its proper divisors (15031968).

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

10021272 is a wasteful number, since it uses less digits than its factorization.

10021272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417562 (or 417558 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 10021272 is about 3165.6392719323. The cubic root of 10021272 is about 215.5961245937.

Adding to 10021272 its reverse (27212001), we get a palindrome (37233273).

The spelling of 10021272 in words is "ten million, twenty-one thousand, two hundred seventy-two".