10431121 has 4 divisors (see below), whose sum is σ = 10884672. Its totient is φ = 9977572.

The previous prime is 10431103. The next prime is 10431139. The reversal of 10431121 is 12113401.

10431121 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 an interprime number because it is at equal distance from previous prime (10431103) and next prime (10431139).

It is a cyclic number.

It is not a de Polignac number, because 10431121 - 2¹⁹ = 9906833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10431101) 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, 226741 + ... + 226786.

It is an arithmetic number, because the mean of its divisors is an integer number (2721168).

Almost surely, 2^10431121 is an apocalyptic number.

It is an amenable number.

10431121 is a deficient number, since it is larger than the sum of its proper divisors (453551).

10431121 is an equidigital number, since it uses as much as digits as its factorization.

10431121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453550.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 10431121 is about 3229.7246012625. The cubic root of 10431121 is about 218.4960856820.

Adding to 10431121 its reverse (12113401), we get a palindrome (22544522).

The spelling of 10431121 in words is "ten million, four hundred thirty-one thousand, one hundred twenty-one".