1047047047 has 4 divisors (see below), whose sum is σ = 1049432560. Its totient is φ = 1044661536.

The previous prime is 1047047021. The next prime is 1047047069. The reversal of 1047047047 is 7407407401.

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 1047047047 - 2¹⁵ = 1047014279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047047077) 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, 1192098 + ... + 1192975.

It is an arithmetic number, because the mean of its divisors is an integer number (262358140).

Almost surely, 2^1047047047 is an apocalyptic number.

1047047047 is a deficient number, since it is larger than the sum of its proper divisors (2385513).

1047047047 is an equidigital number, since it uses as much as digits as its factorization.

1047047047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385512.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 1047047047 is about 32358.1063568312. The cubic root of 1047047047 is about 1015.4426461176.

The spelling of 1047047047 in words is "one billion, forty-seven million, forty-seven thousand, forty-seven".