1116420732 has 288 divisors, whose sum is σ = 3548446720. Its totient is φ = 300231360.

The previous prime is 1116420709. The next prime is 1116420761. The reversal of 1116420732 is 2370246111.

1116420732 is a `hidden beast` number, since 1 + 11 + 642 + 0 + 7 + 3 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1116420696 and 1116420705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14131869 + ... + 14131947.

Almost surely, 2^1116420732 is an apocalyptic number.

1116420732 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 1116420732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774223360).

1116420732 is an abundant number, since it is smaller than the sum of its proper divisors (2432025988).

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

1116420732 is a wasteful number, since it uses less digits than its factorization.

1116420732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1116420732 is about 33412.8827250808. The cubic root of 1116420732 is about 1037.3913702881.

Adding to 1116420732 its reverse (2370246111), we get a palindrome (3486666843).

The spelling of 1116420732 in words is "one billion, one hundred sixteen million, four hundred twenty thousand, seven hundred thirty-two".