1047812930 has 8 divisors (see below), whose sum is σ = 1886063292. Its totient is φ = 419125168.

The previous prime is 1047812917. The next prime is 1047812951. The reversal of 1047812930 is 392187401.

It can be written as a sum of positive squares in 2 ways, for example, as 1027010209 + 20802721 = 32047^2 + 4561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52390637 + ... + 52390656.

Almost surely, 2^1047812930 is an apocalyptic number.

1047812930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1047812930 is a deficient number, since it is larger than the sum of its proper divisors (838250362).

1047812930 is a wasteful number, since it uses less digits than its factorization.

1047812930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104781300.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1047812930 is about 32369.9386777300. The cubic root of 1047812930 is about 1015.6901742223.

The spelling of 1047812930 in words is "one billion, forty-seven million, eight hundred twelve thousand, nine hundred thirty".