1116427380 has 24 divisors (see below), whose sum is σ = 3125996832. Its totient is φ = 297713952.

The previous prime is 1116427379. The next prime is 1116427387. The reversal of 1116427380 is 837246111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116427387) 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 7 ways as a sum of consecutive naturals, for example, 9303502 + ... + 9303621.

It is an arithmetic number, because the mean of its divisors is an integer number (130249868).

Almost surely, 2^1116427380 is an apocalyptic number.

1116427380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116427380 is an abundant number, since it is smaller than the sum of its proper divisors (2009569452).

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

1116427380 is a wasteful number, since it uses less digits than its factorization.

1116427380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18607135 (or 18607133 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1116427380 is about 33412.9822075193. The cubic root of 1116427380 is about 1037.3934294175.

The spelling of 1116427380 in words is "one billion, one hundred sixteen million, four hundred twenty-seven thousand, three hundred eighty".