1112121747 has 12 divisors (see below), whose sum is σ = 1752434424. Its totient is φ = 674013120.

The previous prime is 1112121721. The next prime is 1112121763. The reversal of 1112121747 is 7471212111.

It is not a de Polignac number, because 1112121747 - 2¹⁵ = 1112088979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112121747.

It is not an unprimeable number, because it can be changed into a prime (1112121767) 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, 5616678 + ... + 5616875.

It is an arithmetic number, because the mean of its divisors is an integer number (146036202).

Almost surely, 2^1112121747 is an apocalyptic number.

1112121747 is a deficient number, since it is larger than the sum of its proper divisors (640312677).

1112121747 is a wasteful number, since it uses less digits than its factorization.

1112121747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11233570 (or 11233567 counting only the distinct ones).

The product of its digits is 784, while the sum is 27.

The square root of 1112121747 is about 33348.4894260595. The cubic root of 1112121747 is about 1036.0581015575.

Adding to 1112121747 its reverse (7471212111), we get a palindrome (8583333858).

The spelling of 1112121747 in words is "one billion, one hundred twelve million, one hundred twenty-one thousand, seven hundred forty-seven".