1082491872 has 192 divisors, whose sum is σ = 3697311744. Its totient is φ = 268899840.

The previous prime is 1082491871. The next prime is 1082491873. The reversal of 1082491872 is 2781942801.

It is an interprime number because it is at equal distance from previous prime (1082491871) and next prime (1082491873).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082491871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166833 + ... + 173199.

It is an arithmetic number, because the mean of its divisors is an integer number (19256832).

Almost surely, 2^1082491872 is an apocalyptic number.

1082491872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1082491872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848655872).

1082491872 is an abundant number, since it is smaller than the sum of its proper divisors (2614819872).

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

1082491872 is a wasteful number, since it uses less digits than its factorization.

1082491872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421 (or 6413 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1082491872 is about 32901.2442317916. The cubic root of 1082491872 is about 1026.7740436033.

The spelling of 1082491872 in words is "one billion, eighty-two million, four hundred ninety-one thousand, eight hundred seventy-two".