1116531730 has 16 divisors (see below), whose sum is σ = 2010377880. Its totient is φ = 446474752.

The previous prime is 1116531709. The next prime is 1116531781. The reversal of 1116531730 is 371356111.

It can be written as a sum of positive squares in 4 ways, for example, as 225330121 + 891201609 = 15011^2 + 29853^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20736 + ... + 51604.

Almost surely, 2^1116531730 is an apocalyptic number.

1116531730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1116531730 is a deficient number, since it is larger than the sum of its proper divisors (893846150).

1116531730 is a wasteful number, since it uses less digits than its factorization.

1116531730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34493.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1116531730 is about 33414.5436898366. The cubic root of 1116531730 is about 1037.4257493676.

Adding to 1116531730 its reverse (371356111), we get a palindrome (1487887841).

The spelling of 1116531730 in words is "one billion, one hundred sixteen million, five hundred thirty-one thousand, seven hundred thirty".