1040344111 has 2 divisors, whose sum is σ = 1040344112. Its totient is φ = 1040344110.

The previous prime is 1040344099. The next prime is 1040344117. The reversal of 1040344111 is 1114430401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1040344111 - 2¹⁵ = 1040311343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040344117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520172055 + 520172056.

It is an arithmetic number, because the mean of its divisors is an integer number (520172056).

Almost surely, 2^1040344111 is an apocalyptic number.

1040344111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040344111 is an equidigital number, since it uses as much as digits as its factorization.

1040344111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1040344111 is about 32254.3657665129. The cubic root of 1040344111 is about 1013.2711348620.

Adding to 1040344111 its reverse (1114430401), we get a palindrome (2154774512).

The spelling of 1040344111 in words is "one billion, forty million, three hundred forty-four thousand, one hundred eleven".