1112720715 has 24 divisors (see below), whose sum is σ = 1942602480. Its totient is φ = 589178304.

The previous prime is 1112720711. The next prime is 1112720729. The reversal of 1112720715 is 5170272111.

It is not a de Polignac number, because 1112720715 - 2² = 1112720711 is a prime.

It is a super-2 number, since 2×1112720715² = 2476294779180222450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112720711) 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 23 ways as a sum of consecutive naturals, for example, 82692 + ... + 95201.

It is an arithmetic number, because the mean of its divisors is an integer number (80941770).

Almost surely, 2^1112720715 is an apocalyptic number.

1112720715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1112720715 is a deficient number, since it is larger than the sum of its proper divisors (829881765).

1112720715 is a wasteful number, since it uses less digits than its factorization.

1112720715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178043 (or 178040 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 27.

The square root of 1112720715 is about 33357.4686539611. The cubic root of 1112720715 is about 1036.2440686892.

Adding to 1112720715 its reverse (5170272111), we get a palindrome (6282992826).

The spelling of 1112720715 in words is "one billion, one hundred twelve million, seven hundred twenty thousand, seven hundred fifteen".