10272921 has 4 divisors (see below), whose sum is σ = 13697232. Its totient is φ = 6848612.

The previous prime is 10272917. The next prime is 10272953. The reversal of 10272921 is 12927201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10272921 - 2² = 10272917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10272891 and 10272900.

It is not an unprimeable number, because it can be changed into a prime (10272961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712151 + ... + 1712156.

It is an arithmetic number, because the mean of its divisors is an integer number (3424308).

Almost surely, 2^10272921 is an apocalyptic number.

It is an amenable number.

10272921 is a deficient number, since it is larger than the sum of its proper divisors (3424311).

10272921 is an equidigital number, since it uses as much as digits as its factorization.

10272921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424310.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 10272921 is about 3205.1397785432. The cubic root of 10272921 is about 217.3858722161.

The spelling of 10272921 in words is "ten million, two hundred seventy-two thousand, nine hundred twenty-one".