1048781128 has 32 divisors (see below), whose sum is σ = 1978797600. Its totient is φ = 521114752.

The previous prime is 1048781101. The next prime is 1048781159. The reversal of 1048781128 is 8211878401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295988 + ... + 1296796.

It is an arithmetic number, because the mean of its divisors is an integer number (61837425).

Almost surely, 2^1048781128 is an apocalyptic number.

It is an amenable number.

1048781128 is a deficient number, since it is larger than the sum of its proper divisors (930016472).

1048781128 is a wasteful number, since it uses less digits than its factorization.

1048781128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 40.

The square root of 1048781128 is about 32384.8904274818. The cubic root of 1048781128 is about 1016.0029165808.

The spelling of 1048781128 in words is "one billion, forty-eight million, seven hundred eighty-one thousand, one hundred twenty-eight".