1082871920 has 40 divisors (see below), whose sum is σ = 2711347296. Its totient is φ = 399829248.

The previous prime is 1082871913. The next prime is 1082871941. The reversal of 1082871920 is 291782801.

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

It is a super-2 number, since 2×1082871920² = 2345223190248972800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519572 + ... + 521651.

Almost surely, 2^1082871920 is an apocalyptic number.

1082871920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1082871920 is an abundant number, since it is smaller than the sum of its proper divisors (1628475376).

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

1082871920 is a wasteful number, since it uses less digits than its factorization.

1082871920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041249 (or 1041243 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 1082871920 is about 32907.0193119948. The cubic root of 1082871920 is about 1026.8941916227.

The spelling of 1082871920 in words is "one billion, eighty-two million, eight hundred seventy-one thousand, nine hundred twenty".