1047988992 has 36 divisors (see below), whose sum is σ = 2789181080. Its totient is φ = 349329408.

The previous prime is 1047988933. The next prime is 1047988993. The reversal of 1047988992 is 2998897401.

It is not an unprimeable number, because it can be changed into a prime (1047988993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681517 + ... + 683052.

Almost surely, 2^1047988992 is an apocalyptic number.

1047988992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1047988992 is an abundant number, since it is smaller than the sum of its proper divisors (1741192088).

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

1047988992 is an equidigital number, since it uses as much as digits as its factorization.

1047988992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364588 (or 1364574 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 57.

The square root of 1047988992 is about 32372.6580929030. The cubic root of 1047988992 is about 1015.7470591946.

The spelling of 1047988992 in words is "one billion, forty-seven million, nine hundred eighty-eight thousand, nine hundred ninety-two".