1040407903 has 2 divisors, whose sum is σ = 1040407904. Its totient is φ = 1040407902.

The previous prime is 1040407889. The next prime is 1040407913. The reversal of 1040407903 is 3097040401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040407903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040407913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520203951 + 520203952.

It is an arithmetic number, because the mean of its divisors is an integer number (520203952).

Almost surely, 2^1040407903 is an apocalyptic number.

1040407903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040407903 is an equidigital number, since it uses as much as digits as its factorization.

1040407903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1040407903 is about 32255.3546407414. The cubic root of 1040407903 is about 1013.2918450836.

The spelling of 1040407903 in words is "one billion, forty million, four hundred seven thousand, nine hundred three".