1116321730 has 16 divisors (see below), whose sum is σ = 2009841984. Its totient is φ = 446425840.

The previous prime is 1116321727. The next prime is 1116321733. The reversal of 1116321730 is 371236111.

It is an interprime number because it is at equal distance from previous prime (1116321727) and next prime (1116321733).

It is a junction number, because it is equal to n+sod(n) for n = 1116321695 and 1116321704.

It is not an unprimeable number, because it can be changed into a prime (1116321733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45219 + ... + 65401.

It is an arithmetic number, because the mean of its divisors is an integer number (125615124).

Almost surely, 2^1116321730 is an apocalyptic number.

1116321730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1116321730 is a deficient number, since it is larger than the sum of its proper divisors (893520254).

1116321730 is a wasteful number, since it uses less digits than its factorization.

1116321730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25721.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1116321730 is about 33411.4011977947. The cubic root of 1116321730 is about 1037.3607047712.

Adding to 1116321730 its reverse (371236111), we get a palindrome (1487557841).

The spelling of 1116321730 in words is "one billion, one hundred sixteen million, three hundred twenty-one thousand, seven hundred thirty".