1040012113 has 6 divisors (see below), whose sum is σ = 1209810066. Its totient is φ = 891438912.

The previous prime is 1040012107. The next prime is 1040012131. The reversal of 1040012113 is 3112100401.

It can be written as a sum of positive squares in only one way, i.e., 1032786769 + 7225344 = 32137^2 + 2688^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1040012113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040012093 and 1040012102.

It is not an unprimeable number, because it can be changed into a prime (1040016113) 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 5 ways as a sum of consecutive naturals, for example, 10612320 + ... + 10612417.

It is an arithmetic number, because the mean of its divisors is an integer number (201635011).

Almost surely, 2^1040012113 is an apocalyptic number.

It is an amenable number.

1040012113 is a deficient number, since it is larger than the sum of its proper divisors (169797953).

1040012113 is an equidigital number, since it uses as much as digits as its factorization.

1040012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21224751 (or 21224744 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1040012113 is about 32249.2187967399. The cubic root of 1040012113 is about 1013.1633372664.

Adding to 1040012113 its reverse (3112100401), we get a palindrome (4152112514).

The spelling of 1040012113 in words is "one billion, forty million, twelve thousand, one hundred thirteen".