1081883600 has 120 divisors (see below), whose sum is σ = 3034115328. Its totient is φ = 362995200.

The previous prime is 1081883581. The next prime is 1081883603. The reversal of 1081883600 is 63881801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081883603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127490 + ... + 135710.

Almost surely, 2^1081883600 is an apocalyptic number.

1081883600 is a gapful number since it is divisible by the number (10) 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 1081883600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517057664).

1081883600 is an abundant number, since it is smaller than the sum of its proper divisors (1952231728).

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

1081883600 is a wasteful number, since it uses less digits than its factorization.

1081883600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293 (or 8282 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 1081883600 is about 32891.9990271190. Note that the first 3 decimals coincide. The cubic root of 1081883600 is about 1026.5816865251.

The spelling of 1081883600 in words is "one billion, eighty-one million, eight hundred eighty-three thousand, six hundred".