1081005210 has 64 divisors (see below), whose sum is σ = 2887257600. Its totient is φ = 287810496.

The previous prime is 1081005173. The next prime is 1081005239. The reversal of 1081005210 is 125001801.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188607 + ... + 194253.

It is an arithmetic number, because the mean of its divisors is an integer number (45113400).

Almost surely, 2^1081005210 is an apocalyptic number.

1081005210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081005210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1443628800).

1081005210 is an abundant number, since it is smaller than the sum of its proper divisors (1806252390).

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

1081005210 is a wasteful number, since it uses less digits than its factorization.

1081005210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372 (or 6366 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1081005210 is about 32878.6436764049. The cubic root of 1081005210 is about 1026.3037813232.

The spelling of 1081005210 in words is "one billion, eighty-one million, five thousand, two hundred ten".