1021042024 has 16 divisors (see below), whose sum is σ = 1961148420. Its totient is φ = 498069120.

The previous prime is 1021042003. The next prime is 1021042031. The reversal of 1021042024 is 4202401201.

It can be written as a sum of positive squares in 2 ways, for example, as 634133124 + 386908900 = 25182^2 + 19670^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1021041989 and 1021042007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556139 + ... + 1556794.

Almost surely, 2^1021042024 is an apocalyptic number.

It is an amenable number.

1021042024 is a deficient number, since it is larger than the sum of its proper divisors (940106396).

1021042024 is a wasteful number, since it uses less digits than its factorization.

1021042024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112980 (or 3112976 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1021042024 is about 31953.7481995462. The cubic root of 1021042024 is about 1006.9653788522.

Adding to 1021042024 its reverse (4202401201), we get a palindrome (5223443225).

The spelling of 1021042024 in words is "one billion, twenty-one million, forty-two thousand, twenty-four".