1040242403 has 4 divisors (see below), whose sum is σ = 1052775528. Its totient is φ = 1027709280.

The previous prime is 1040242397. The next prime is 1040242409. The reversal of 1040242403 is 3042420401.

1040242403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3042420401 = 2969 ⋅1024729.

It is an interprime number because it is at equal distance from previous prime (1040242397) and next prime (1040242409).

It is a cyclic number.

It is not a de Polignac number, because 1040242403 - 2⁴ = 1040242387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040242409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6266438 + ... + 6266603.

It is an arithmetic number, because the mean of its divisors is an integer number (263193882).

Almost surely, 2^1040242403 is an apocalyptic number.

1040242403 is a deficient number, since it is larger than the sum of its proper divisors (12533125).

1040242403 is an equidigital number, since it uses as much as digits as its factorization.

1040242403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12533124.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1040242403 is about 32252.7890731949. The cubic root of 1040242403 is about 1013.2381133716.

Adding to 1040242403 its reverse (3042420401), we get a palindrome (4082662804).

The spelling of 1040242403 in words is "one billion, forty million, two hundred forty-two thousand, four hundred three".