1047000005 has 16 divisors (see below), whose sum is σ = 1273158000. Its totient is φ = 826467840.

The previous prime is 1046999999. The next prime is 1047000013. The reversal of 1047000005 is 5000007401.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 339812356 + 707187649 = 18434^2 + 26593^2 .

It is not a de Polignac number, because 1047000005 - 2¹² = 1046995909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238571 + ... + 242919.

It is an arithmetic number, because the mean of its divisors is an integer number (79572375).

Almost surely, 2^1047000005 is an apocalyptic number.

It is an amenable number.

1047000005 is a deficient number, since it is larger than the sum of its proper divisors (226157995).

1047000005 is an equidigital number, since it uses as much as digits as its factorization.

1047000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 1047000005 is about 32357.3794519890. The cubic root of 1047000005 is about 1015.4274385334.

Adding to 1047000005 its reverse (5000007401), we get a palindrome (6047007406).

The spelling of 1047000005 in words is "one billion, forty-seven million, five", and thus it is an aban number and an uban number.