1112961647 has 24 divisors (see below), whose sum is σ = 1333132416. Its totient is φ = 925909488.

The previous prime is 1112961637. The next prime is 1112961649. The reversal of 1112961647 is 7461692111.

It is a happy number.

It is not a de Polignac number, because 1112961647 - 2¹⁰ = 1112960623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112961647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112961649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350288 + ... + 353450.

It is an arithmetic number, because the mean of its divisors is an integer number (55547184).

Almost surely, 2^1112961647 is an apocalyptic number.

1112961647 is a deficient number, since it is larger than the sum of its proper divisors (220170769).

1112961647 is a wasteful number, since it uses less digits than its factorization.

1112961647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387 (or 3380 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 1112961647 is about 33361.0798236508. The cubic root of 1112961647 is about 1036.3188542531.

The spelling of 1112961647 in words is "one billion, one hundred twelve million, nine hundred sixty-one thousand, six hundred forty-seven".