1113692112 has 160 divisors (see below), whose sum is σ = 3554216960. Its totient is φ = 331568640.

The previous prime is 1113692101. The next prime is 1113692113. The reversal of 1113692112 is 2112963111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113692113) 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 31 ways as a sum of consecutive naturals, for example, 170898 + ... + 177294.

It is an arithmetic number, because the mean of its divisors is an integer number (22213856).

Almost surely, 2^1113692112 is an apocalyptic number.

1113692112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113692112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1777108480).

1113692112 is an abundant number, since it is smaller than the sum of its proper divisors (2440524848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113692112 is a wasteful number, since it uses less digits than its factorization.

1113692112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458 (or 6446 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1113692112 is about 33372.0258899576. The cubic root of 1113692112 is about 1036.5455254664.

The spelling of 1113692112 in words is "one billion, one hundred thirteen million, six hundred ninety-two thousand, one hundred twelve".