1040402003 has 2 divisors, whose sum is σ = 1040402004. Its totient is φ = 1040402002.

The previous prime is 1040401997. The next prime is 1040402009. The reversal of 1040402003 is 3002040401.

It is a balanced prime because it is at equal distance from previous prime (1040401997) and next prime (1040402009).

It is a cyclic number.

It is not a de Polignac number, because 1040402003 - 2¹⁰ = 1040400979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040402009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520201001 + 520201002.

It is an arithmetic number, because the mean of its divisors is an integer number (520201002).

Almost surely, 2^1040402003 is an apocalyptic number.

1040402003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040402003 is an equidigital number, since it uses as much as digits as its factorization.

1040402003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1040402003 is about 32255.2631829288. The cubic root of 1040402003 is about 1013.2899296703.

Adding to 1040402003 its reverse (3002040401), we get a palindrome (4042442404).

The spelling of 1040402003 in words is "one billion, forty million, four hundred two thousand, three".