1085451120 has 240 divisors, whose sum is σ = 3972870720. Its totient is φ = 263983104.

The previous prime is 1085451119. The next prime is 1085451127. The reversal of 1085451120 is 211545801.

1085451120 is a `hidden beast` number, since 1 + 0 + 8 + 545 + 112 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085451127) 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 47 ways as a sum of consecutive naturals, for example, 832389 + ... + 833691.

It is an arithmetic number, because the mean of its divisors is an integer number (16553628).

Almost surely, 2^1085451120 is an apocalyptic number.

1085451120 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 1085451120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1986435360).

1085451120 is an abundant number, since it is smaller than the sum of its proper divisors (2887419600).

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

1085451120 is a wasteful number, since it uses less digits than its factorization.

1085451120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 1085451120 is about 32946.1852116448. The cubic root of 1085451120 is about 1027.7088356667.

Adding to 1085451120 its reverse (211545801), we get a palindrome (1296996921).

The spelling of 1085451120 in words is "one billion, eighty-five million, four hundred fifty-one thousand, one hundred twenty".