1010040403 has 4 divisors (see below), whose sum is σ = 1010527848. Its totient is φ = 1009552960.

The previous prime is 1010040349. The next prime is 1010040407. The reversal of 1010040403 is 3040400101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3040400101 = 2179 ⋅1395319.

It is a cyclic number.

It is not a de Polignac number, because 1010040403 - 2¹⁷ = 1009909331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010040407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240601 + ... + 244762.

It is an arithmetic number, because the mean of its divisors is an integer number (252631962).

Almost surely, 2^1010040403 is an apocalyptic number.

1010040403 is a deficient number, since it is larger than the sum of its proper divisors (487445).

1010040403 is an equidigital number, since it uses as much as digits as its factorization.

1010040403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487444.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1010040403 is about 31781.1328149265. The cubic root of 1010040403 is about 1003.3356619875.

Adding to 1010040403 its reverse (3040400101), we get a palindrome (4050440504).

The spelling of 1010040403 in words is "one billion, ten million, forty thousand, four hundred three".