1040424247 has 4 divisors (see below), whose sum is σ = 1042018200. Its totient is φ = 1038830296.

The previous prime is 1040424223. The next prime is 1040424311. The reversal of 1040424247 is 7424240401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1040424247 - 2¹⁵ = 1040391479 is a prime.

It is a super-2 number, since 2×1040424247² = 2164965227491034018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040424547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795997 + ... + 797302.

It is an arithmetic number, because the mean of its divisors is an integer number (260504550).

Almost surely, 2^1040424247 is an apocalyptic number.

1040424247 is a deficient number, since it is larger than the sum of its proper divisors (1593953).

1040424247 is an equidigital number, since it uses as much as digits as its factorization.

1040424247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593952.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 1040424247 is about 32255.6079930297. The cubic root of 1040424247 is about 1013.2971510651.

Adding to 1040424247 its reverse (7424240401), we get a palindrome (8464664648).

The spelling of 1040424247 in words is "one billion, forty million, four hundred twenty-four thousand, two hundred forty-seven".