1043401111 has 4 divisors (see below), whose sum is σ = 1056608800. Its totient is φ = 1030193424.

The previous prime is 1043401057. The next prime is 1043401133. The reversal of 1043401111 is 1111043401.

1043401111 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 1043401111 - 2²¹ = 1041303959 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 (1043401171) 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, 6603726 + ... + 6603883.

It is an arithmetic number, because the mean of its divisors is an integer number (264152200).

Almost surely, 2^1043401111 is an apocalyptic number.

1043401111 is a deficient number, since it is larger than the sum of its proper divisors (13207689).

1043401111 is an equidigital number, since it uses as much as digits as its factorization.

1043401111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13207688.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1043401111 is about 32301.7199387277. The cubic root of 1043401111 is about 1014.2626467893.

Adding to 1043401111 its reverse (1111043401), we get a palindrome (2154444512).

The spelling of 1043401111 in words is "one billion, forty-three million, four hundred one thousand, one hundred eleven".