1042871040 has 108 divisors (see below), whose sum is σ = 3608265024. Its totient is φ = 278095872.

The previous prime is 1042871033. The next prime is 1042871047. The reversal of 1042871040 is 401782401.

It is an interprime number because it is at equal distance from previous prime (1042871033) and next prime (1042871047).

It is a junction number, because it is equal to n+sod(n) for n = 1042870995 and 1042871013.

It is not an unprimeable number, because it can be changed into a prime (1042871047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33744 + ... + 56783.

Almost surely, 2^1042871040 is an apocalyptic number.

1042871040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042871040 is an abundant number, since it is smaller than the sum of its proper divisors (2565393984).

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

1042871040 is an equidigital number, since it uses as much as digits as its factorization.

1042871040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90554 (or 90537 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 1042871040 is about 32293.5138998530. The cubic root of 1042871040 is about 1014.0908616921.

The spelling of 1042871040 in words is "one billion, forty-two million, eight hundred seventy-one thousand, forty".