1042530320 has 40 divisors (see below), whose sum is σ = 2610338136. Its totient is φ = 384933888.

The previous prime is 1042530319. The next prime is 1042530331. The reversal of 1042530320 is 230352401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 151388416 + 891141904 = 12304^2 + 29852^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1042530292 and 1042530301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500177 + ... + 502256.

Almost surely, 2^1042530320 is an apocalyptic number.

1042530320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042530320 is an abundant number, since it is smaller than the sum of its proper divisors (1567807816).

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

1042530320 is a wasteful number, since it uses less digits than its factorization.

1042530320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002459 (or 1002453 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1042530320 is about 32288.2381061587. The cubic root of 1042530320 is about 1013.9804106197.

Adding to 1042530320 its reverse (230352401), we get a palindrome (1272882721).

The spelling of 1042530320 in words is "one billion, forty-two million, five hundred thirty thousand, three hundred twenty".