1047173949 has 12 divisors (see below), whose sum is σ = 1538222400. Its totient is φ = 686283144.

The previous prime is 1047173909. The next prime is 1047174013. The reversal of 1047173949 is 9493717401.

It is not a de Polignac number, because 1047173949 - 2⁹ = 1047173437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047173909) 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 11 ways as a sum of consecutive naturals, for example, 985509 + ... + 986570.

It is an arithmetic number, because the mean of its divisors is an integer number (128185200).

Almost surely, 2^1047173949 is an apocalyptic number.

It is an amenable number.

1047173949 is a deficient number, since it is larger than the sum of its proper divisors (491048451).

1047173949 is a wasteful number, since it uses less digits than its factorization.

1047173949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972144 (or 1972141 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1047173949 is about 32360.0671970872. The cubic root of 1047173949 is about 1015.4836683102.

The spelling of 1047173949 in words is "one billion, forty-seven million, one hundred seventy-three thousand, nine hundred forty-nine".