1021071048 has 16 divisors (see below), whose sum is σ = 2552677680. Its totient is φ = 340357008.

The previous prime is 1021071041. The next prime is 1021071053. The reversal of 1021071048 is 8401701201.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 42544627 = 1021071048 / (1 + 0 + 2 + 1 + 0 + 7 + 1 + 0 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (1021071041) 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, 21272290 + ... + 21272337.

It is an arithmetic number, because the mean of its divisors is an integer number (159542355).

Almost surely, 2^1021071048 is an apocalyptic number.

It is an amenable number.

1021071048 is an abundant number, since it is smaller than the sum of its proper divisors (1531606632).

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

1021071048 is a wasteful number, since it uses less digits than its factorization.

1021071048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42544636 (or 42544632 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 1021071048 is about 31954.2023527423. The cubic root of 1021071048 is about 1006.9749200482.

Adding to 1021071048 its reverse (8401701201), we get a palindrome (9422772249).

The spelling of 1021071048 in words is "one billion, twenty-one million, seventy-one thousand, forty-eight".