1100040407 has 2 divisors, whose sum is σ = 1100040408. Its totient is φ = 1100040406.

The previous prime is 1100040367. The next prime is 1100040413. The reversal of 1100040407 is 7040400011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100040407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100040457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550020203 + 550020204.

It is an arithmetic number, because the mean of its divisors is an integer number (550020204).

Almost surely, 2^1100040407 is an apocalyptic number.

1100040407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100040407 is an equidigital number, since it uses as much as digits as its factorization.

1100040407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1100040407 is about 33166.8570564050. The cubic root of 1100040407 is about 1032.2927551024.

Adding to 1100040407 its reverse (7040400011), we get a palindrome (8140440418).

The spelling of 1100040407 in words is "one billion, one hundred million, forty thousand, four hundred seven".