1048721047 has 16 divisors (see below), whose sum is σ = 1165311360. Its totient is φ = 935725600.

The previous prime is 1048721039. The next prime is 1048721053. The reversal of 1048721047 is 7401278401.

It is a cyclic number.

It is not a de Polignac number, because 1048721047 - 2³ = 1048721039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048721027) 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, 687828 + ... + 689350.

It is an arithmetic number, because the mean of its divisors is an integer number (72831960).

Almost surely, 2^1048721047 is an apocalyptic number.

1048721047 is a deficient number, since it is larger than the sum of its proper divisors (116590313).

1048721047 is a wasteful number, since it uses less digits than its factorization.

1048721047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 1048721047 is about 32383.9628056852. The cubic root of 1048721047 is about 1015.9835151266.

Adding to 1048721047 its reverse (7401278401), we get a palindrome (8449999448).

The spelling of 1048721047 in words is "one billion, forty-eight million, seven hundred twenty-one thousand, forty-seven".