1043120231 has 4 divisors (see below), whose sum is σ = 1050028464. Its totient is φ = 1036212000.

The previous prime is 1043120201. The next prime is 1043120257. The reversal of 1043120231 is 1320213401.

1043120231 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.

It is a cyclic number.

It is not a de Polignac number, because 1043120231 - 2²⁶ = 976011367 is a prime.

It is a super-2 number, since 2×1043120231² = 2176199632642986722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043120201) 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, 3453890 + ... + 3454191.

It is an arithmetic number, because the mean of its divisors is an integer number (262507116).

Almost surely, 2^1043120231 is an apocalyptic number.

1043120231 is a deficient number, since it is larger than the sum of its proper divisors (6908233).

1043120231 is an equidigital number, since it uses as much as digits as its factorization.

1043120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908232.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1043120231 is about 32297.3718899851. The cubic root of 1043120231 is about 1014.1716266129.

Adding to 1043120231 its reverse (1320213401), we get a palindrome (2363333632).

The spelling of 1043120231 in words is "one billion, forty-three million, one hundred twenty thousand, two hundred thirty-one".