1021392048 has 40 divisors (see below), whose sum is σ = 2641402368. Its totient is φ = 340101952.

The previous prime is 1021392017. The next prime is 1021392059. The reversal of 1021392048 is 8402931201.

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, 36361 + ... + 58007.

Almost surely, 2^1021392048 is an apocalyptic number.

It is an amenable number.

1021392048 is an abundant number, since it is smaller than the sum of its proper divisors (1620010320).

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

1021392048 is a wasteful number, since it uses less digits than its factorization.

1021392048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22641 (or 22635 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1021392048 is about 31959.2247715742. The cubic root of 1021392048 is about 1007.0804318318.

The spelling of 1021392048 in words is "one billion, twenty-one million, three hundred ninety-two thousand, forty-eight".