1047802312 has 8 divisors (see below), whose sum is σ = 1964629350. Its totient is φ = 523901152.

The previous prime is 1047802247. The next prime is 1047802313. The reversal of 1047802312 is 2132087401.

1047802312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 935992836 + 111809476 = 30594^2 + 10574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1047802313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65487637 + ... + 65487652.

Almost surely, 2^1047802312 is an apocalyptic number.

It is an amenable number.

1047802312 is a deficient number, since it is larger than the sum of its proper divisors (916827038).

1047802312 is a wasteful number, since it uses less digits than its factorization.

1047802312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130975295 (or 130975291 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1047802312 is about 32369.7746671181. The cubic root of 1047802312 is about 1015.6867433826.

Adding to 1047802312 its reverse (2132087401), we get a palindrome (3179889713).

The spelling of 1047802312 in words is "one billion, forty-seven million, eight hundred two thousand, three hundred twelve".