1043043397 has 4 divisors (see below), whose sum is σ = 1137865536. Its totient is φ = 948221260.

The previous prime is 1043043371. The next prime is 1043043413. The reversal of 1043043397 is 7933403401.

It is a happy number.

1043043397 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 1043043397 - 2¹⁵ = 1043010629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043044397) 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, 47411053 + ... + 47411074.

It is an arithmetic number, because the mean of its divisors is an integer number (284466384).

Almost surely, 2^1043043397 is an apocalyptic number.

It is an amenable number.

1043043397 is a deficient number, since it is larger than the sum of its proper divisors (94822139).

1043043397 is an equidigital number, since it uses as much as digits as its factorization.

1043043397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94822138.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 1043043397 is about 32296.1823904932. The cubic root of 1043043397 is about 1014.1467254322.

Adding to 1043043397 its reverse (7933403401), we get a palindrome (8976446798).

It can be divided in two parts, 104304 and 3397, that added together give a palindrome (107701).

The spelling of 1043043397 in words is "one billion, forty-three million, forty-three thousand, three hundred ninety-seven".