1071809010 has 40 divisors (see below), whose sum is σ = 2881977516. Its totient is φ = 285815520.

The previous prime is 1071808987. The next prime is 1071809021. The reversal of 1071809010 is 109081701.

It can be written as a sum of positive squares in 2 ways, for example, as 934708329 + 137100681 = 30573^2 + 11709^2 .

It is a super-2 number, since 2×1071809010² = 2297549107834360200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 660801 + ... + 662420.

Almost surely, 2^1071809010 is an apocalyptic number.

1071809010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1071809010 is an abundant number, since it is smaller than the sum of its proper divisors (1810168506).

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

1071809010 is a wasteful number, since it uses less digits than its factorization.

1071809010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323240 (or 1323231 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 1071809010 is about 32738.4943147971. The cubic root of 1071809010 is about 1023.3852059374.

The spelling of 1071809010 in words is "one billion, seventy-one million, eight hundred nine thousand, ten".