1042530140 has 24 divisors (see below), whose sum is σ = 2230623360. Its totient is φ = 409143488.

The previous prime is 1042530127. The next prime is 1042530161. The reversal of 1042530140 is 410352401.

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

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 490700 + ... + 492819.

It is an arithmetic number, because the mean of its divisors is an integer number (92942640).

Almost surely, 2^1042530140 is an apocalyptic number.

1042530140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042530140 is an abundant number, since it is smaller than the sum of its proper divisors (1188093220).

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

1042530140 is a wasteful number, since it uses less digits than its factorization.

1042530140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983581 (or 983579 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1042530140 is about 32288.2353187659. The cubic root of 1042530140 is about 1013.9803522628.

Adding to 1042530140 its reverse (410352401), we get a palindrome (1452882541).

The spelling of 1042530140 in words is "one billion, forty-two million, five hundred thirty thousand, one hundred forty".