1047522447 has 12 divisors (see below), whose sum is σ = 1515055464. Its totient is φ = 697440240.

The previous prime is 1047522431. The next prime is 1047522449. The reversal of 1047522447 is 7442257401.

It is not a de Polignac number, because 1047522447 - 2⁴ = 1047522431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047522449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68329 + ... + 82242.

It is an arithmetic number, because the mean of its divisors is an integer number (126254622).

Almost surely, 2^1047522447 is an apocalyptic number.

1047522447 is a deficient number, since it is larger than the sum of its proper divisors (467533017).

1047522447 is a wasteful number, since it uses less digits than its factorization.

1047522447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151350 (or 151347 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The square root of 1047522447 is about 32365.4514413132. The cubic root of 1047522447 is about 1015.5963063224.

Adding to 1047522447 its reverse (7442257401), we get a palindrome (8489779848).

The spelling of 1047522447 in words is "one billion, forty-seven million, five hundred twenty-two thousand, four hundred forty-seven".