1012047647 has 8 divisors (see below), whose sum is σ = 1090630800. Its totient is φ = 933569280.

The previous prime is 1012047637. The next prime is 1012047653. The reversal of 1012047647 is 7467402101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012047647 - 2¹² = 1012043551 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 (1012047637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5522 + ... + 45327.

It is an arithmetic number, because the mean of its divisors is an integer number (136328850).

Almost surely, 2^1012047647 is an apocalyptic number.

1012047647 is a deficient number, since it is larger than the sum of its proper divisors (78583153).

1012047647 is a wasteful number, since it uses less digits than its factorization.

1012047647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52393.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 1012047647 is about 31812.6963176654. The cubic root of 1012047647 is about 1003.9998621053. Note that the first 3 decimals are identical.

Adding to 1012047647 its reverse (7467402101), we get a palindrome (8479449748).

The spelling of 1012047647 in words is "one billion, twelve million, forty-seven thousand, six hundred forty-seven".