10148821 has 2 divisors, whose sum is σ = 10148822. Its totient is φ = 10148820.

The previous prime is 10148797. The next prime is 10148833. The reversal of 10148821 is 12884101.

10148821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7761796 + 2387025 = 2786^2 + 1545^2 .

It is a cyclic number.

It is not a de Polignac number, because 10148821 - 2⁹ = 10148309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10148891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5074410 + 5074411.

It is an arithmetic number, because the mean of its divisors is an integer number (5074411).

Almost surely, 2^10148821 is an apocalyptic number.

It is an amenable number.

10148821 is a deficient number, since it is larger than the sum of its proper divisors (1).

10148821 is an equidigital number, since it uses as much as digits as its factorization.

10148821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 10148821 is about 3185.7214253604. The cubic root of 10148821 is about 216.5069610735.

The spelling of 10148821 in words is "ten million, one hundred forty-eight thousand, eight hundred twenty-one".