10133421 has 4 divisors (see below), whose sum is σ = 13511232. Its totient is φ = 6755612.

The previous prime is 10133413. The next prime is 10133467. The reversal of 10133421 is 12433101.

10133421 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 12433101 = 3 ⋅4144367.

It is a cyclic number.

It is not a de Polignac number, because 10133421 - 2³ = 10133413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10133421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10133521) 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, 1688901 + ... + 1688906.

It is an arithmetic number, because the mean of its divisors is an integer number (3377808).

Almost surely, 2^10133421 is an apocalyptic number.

It is an amenable number.

10133421 is a deficient number, since it is larger than the sum of its proper divisors (3377811).

10133421 is an equidigital number, since it uses as much as digits as its factorization.

10133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377810.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 10133421 is about 3183.3034728093. The cubic root of 10133421 is about 216.3973951418.

Adding to 10133421 its reverse (12433101), we get a palindrome (22566522).

The spelling of 10133421 in words is "ten million, one hundred thirty-three thousand, four hundred twenty-one".