10173921 has 8 divisors (see below), whose sum is σ = 14002944. Its totient is φ = 6563760.

The previous prime is 10173893. The next prime is 10173923. The reversal of 10173921 is 12937101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10173921 - 2²¹ = 8076769 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10173891 and 10173900.

It is not an unprimeable number, because it can be changed into a prime (10173923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54606 + ... + 54791.

It is an arithmetic number, because the mean of its divisors is an integer number (1750368).

Almost surely, 2^10173921 is an apocalyptic number.

It is an amenable number.

10173921 is a deficient number, since it is larger than the sum of its proper divisors (3829023).

10173921 is a wasteful number, since it uses less digits than its factorization.

10173921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109431.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 10173921 is about 3189.6584456647. The cubic root of 10173921 is about 216.6853020132.

The spelling of 10173921 in words is "ten million, one hundred seventy-three thousand, nine hundred twenty-one".