1082811942 has 64 divisors (see below), whose sum is σ = 2460404160. Its totient is φ = 352864512.

The previous prime is 1082811907. The next prime is 1082811953. The reversal of 1082811942 is 2491182801.

It is a happy number.

It is a super-2 number, since 2×1082811942² = 2344963403475622728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1082811897 and 1082811906.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1135738 + ... + 1136690.

It is an arithmetic number, because the mean of its divisors is an integer number (38443815).

Almost surely, 2^1082811942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1082811942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230202080).

1082811942 is an abundant number, since it is smaller than the sum of its proper divisors (1377592218).

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

1082811942 is a wasteful number, since it uses less digits than its factorization.

1082811942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1082811942 is about 32906.1079740525. The cubic root of 1082811942 is about 1026.8752321023.

The spelling of 1082811942 in words is "one billion, eighty-two million, eight hundred eleven thousand, nine hundred forty-two".