1040209147 has 2 divisors, whose sum is σ = 1040209148. Its totient is φ = 1040209146.

The previous prime is 1040209129. The next prime is 1040209151. The reversal of 1040209147 is 7419020401.

1040209147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1040209147 - 2²³ = 1031820539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040209847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520104573 + 520104574.

It is an arithmetic number, because the mean of its divisors is an integer number (520104574).

Almost surely, 2^1040209147 is an apocalyptic number.

1040209147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040209147 is an equidigital number, since it uses as much as digits as its factorization.

1040209147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1040209147 is about 32252.2735167616. The cubic root of 1040209147 is about 1013.2273156942.

Adding to 1040209147 its reverse (7419020401), we get a palindrome (8459229548).

The spelling of 1040209147 in words is "one billion, forty million, two hundred nine thousand, one hundred forty-seven".