1072728112 has 10 divisors (see below), whose sum is σ = 2078410748. Its totient is φ = 536364048.

The previous prime is 1072728103. The next prime is 1072728113. The reversal of 1072728112 is 2118272701.

It is not an unprimeable number, because it can be changed into a prime (1072728113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33522738 + ... + 33522769.

Almost surely, 2^1072728112 is an apocalyptic number.

It is an amenable number.

1072728112 is a deficient number, since it is larger than the sum of its proper divisors (1005682636).

1072728112 is an equidigital number, since it uses as much as digits as its factorization.

1072728112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67045515 (or 67045509 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 1072728112 is about 32752.5283298862. The cubic root of 1072728112 is about 1023.6776481691.

The spelling of 1072728112 in words is "one billion, seventy-two million, seven hundred twenty-eight thousand, one hundred twelve".