1040204113 has 16 divisors (see below), whose sum is σ = 1133470800. Its totient is φ = 948879360.

The previous prime is 1040204111. The next prime is 1040204149. The reversal of 1040204113 is 3114020401.

It can be written as a sum of positive squares in 8 ways, for example, as 275294464 + 764909649 = 16592^2 + 27657^2 .

It is not a de Polignac number, because 1040204113 - 2¹ = 1040204111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040204111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737553 + ... + 738961.

It is an arithmetic number, because the mean of its divisors is an integer number (70841925).

Almost surely, 2^1040204113 is an apocalyptic number.

1040204113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1040204113 is a deficient number, since it is larger than the sum of its proper divisors (93266687).

1040204113 is a wasteful number, since it uses less digits than its factorization.

1040204113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1040204113 is about 32252.1954756572. The cubic root of 1040204113 is about 1013.2256812169.

Adding to 1040204113 its reverse (3114020401), we get a palindrome (4154224514).

The spelling of 1040204113 in words is "one billion, forty million, two hundred four thousand, one hundred thirteen".