1117147047 has 16 divisors (see below), whose sum is σ = 1573776000. Its totient is φ = 702933984.

The previous prime is 1117147043. The next prime is 1117147051. The reversal of 1117147047 is 7407417111.

It is an interprime number because it is at equal distance from previous prime (1117147043) and next prime (1117147051).

It is not a de Polignac number, because 1117147047 - 2² = 1117147043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1117146999 and 1117147017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117147043) 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, 21097 + ... + 51762.

It is an arithmetic number, because the mean of its divisors is an integer number (98361000).

Almost surely, 2^1117147047 is an apocalyptic number.

1117147047 is a deficient number, since it is larger than the sum of its proper divisors (456628953).

1117147047 is a wasteful number, since it uses less digits than its factorization.

1117147047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73150.

The product of its (nonzero) digits is 5488, while the sum is 33.

The square root of 1117147047 is about 33423.7497447549. The cubic root of 1117147047 is about 1037.6162883540.

The spelling of 1117147047 in words is "one billion, one hundred seventeen million, one hundred forty-seven thousand, forty-seven".