1112047749 has 12 divisors (see below), whose sum is σ = 1636599276. Its totient is φ = 727376832.

The previous prime is 1112047747. The next prime is 1112047759. The reversal of 1112047749 is 9477402111.

It can be written as a sum of positive squares in 2 ways, for example, as 386122500 + 725925249 = 19650^2 + 26943^2 .

It is not a de Polignac number, because 1112047749 - 2¹ = 1112047747 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112047747) 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, 1165192 + ... + 1166145.

It is an arithmetic number, because the mean of its divisors is an integer number (136383273).

Almost surely, 2^1112047749 is an apocalyptic number.

It is an amenable number.

1112047749 is a deficient number, since it is larger than the sum of its proper divisors (524551527).

1112047749 is a wasteful number, since it uses less digits than its factorization.

1112047749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331396 (or 2331393 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1112047749 is about 33347.3799420584. The cubic root of 1112047749 is about 1036.0351220807.

The spelling of 1112047749 in words is "one billion, one hundred twelve million, forty-seven thousand, seven hundred forty-nine".