1113125761 has 16 divisors (see below), whose sum is σ = 1231110720. Its totient is φ = 998038080.

The previous prime is 1113125753. The next prime is 1113125771. The reversal of 1113125761 is 1675213111.

It is a cyclic number.

It is not a de Polignac number, because 1113125761 - 2³ = 1113125753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113125771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237735 + ... + 242371.

It is an arithmetic number, because the mean of its divisors is an integer number (76944420).

Almost surely, 2^1113125761 is an apocalyptic number.

1113125761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113125761 is a deficient number, since it is larger than the sum of its proper divisors (117984959).

1113125761 is a wasteful number, since it uses less digits than its factorization.

1113125761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944.

The product of its digits is 1260, while the sum is 28.

The square root of 1113125761 is about 33363.5393955737. The cubic root of 1113125761 is about 1036.3697892439.

Adding to 1113125761 its reverse (1675213111), we get a palindrome (2788338872).

The spelling of 1113125761 in words is "one billion, one hundred thirteen million, one hundred twenty-five thousand, seven hundred sixty-one".