10301921 has 4 divisors (see below), whose sum is σ = 11773632. Its totient is φ = 8830212.

The previous prime is 10301911. The next prime is 10301923. The reversal of 10301921 is 12910301.

It is a happy number.

10301921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10301921 - 2²² = 6107617 is a prime.

It is a super-2 number, since 2×10301921² = 212259152580482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10301921.

It is not an unprimeable number, because it can be changed into a prime (10301923) 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, 735845 + ... + 735858.

It is an arithmetic number, because the mean of its divisors is an integer number (2943408).

Almost surely, 2^10301921 is an apocalyptic number.

It is an amenable number.

10301921 is a deficient number, since it is larger than the sum of its proper divisors (1471711).

10301921 is an equidigital number, since it uses as much as digits as its factorization.

10301921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471710.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 10301921 is about 3209.6605739548. The cubic root of 10301921 is about 217.5902369218.

The spelling of 10301921 in words is "ten million, three hundred one thousand, nine hundred twenty-one".