1047732112 has 30 divisors (see below), whose sum is σ = 2361408198. Its totient is φ = 449027712.

The previous prime is 1047732053. The next prime is 1047732113. The reversal of 1047732112 is 2112377401.

It can be written as a sum of positive squares in only one way, i.e., 997549056 + 50183056 = 31584^2 + 7084^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1047732113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667413 + ... + 668980.

Almost surely, 2^1047732112 is an apocalyptic number.

It is an amenable number.

1047732112 is an abundant number, since it is smaller than the sum of its proper divisors (1313676086).

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

1047732112 is a wasteful number, since it uses less digits than its factorization.

1047732112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336415 (or 1336402 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 1047732112 is about 32368.6903040577. The cubic root of 1047732112 is about 1015.6640600956.

The spelling of 1047732112 in words is "one billion, forty-seven million, seven hundred thirty-two thousand, one hundred twelve".