1043400111 has 32 divisors (see below), whose sum is σ = 1544238528. Its totient is φ = 622494720.

The previous prime is 1043400097. The next prime is 1043400161. The reversal of 1043400111 is 1110043401.

It is not a de Polignac number, because 1043400111 - 2⁵ = 1043400079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043400161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456291 + ... + 458571.

It is an arithmetic number, because the mean of its divisors is an integer number (48257454).

Almost surely, 2^1043400111 is an apocalyptic number.

1043400111 is a deficient number, since it is larger than the sum of its proper divisors (500838417).

1043400111 is a wasteful number, since it uses less digits than its factorization.

1043400111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1043400111 is about 32301.7044596721. The cubic root of 1043400111 is about 1014.2623227647.

Adding to 1043400111 its reverse (1110043401), we get a palindrome (2153443512).

The spelling of 1043400111 in words is "one billion, forty-three million, four hundred thousand, one hundred eleven".