1000565412 has 192 divisors, whose sum is σ = 3077222400. Its totient is φ = 245794560.

The previous prime is 1000565399. The next prime is 1000565431. The reversal of 1000565412 is 2145650001.

It is a super-2 number, since 2×1000565412² = 2002262287381459488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11242264 + ... + 11242352.

It is an arithmetic number, because the mean of its divisors is an integer number (16027200).

Almost surely, 2^1000565412 is an apocalyptic number.

1000565412 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 1000565412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538611200).

1000565412 is an abundant number, since it is smaller than the sum of its proper divisors (2076656988).

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

1000565412 is a wasteful number, since it uses less digits than its factorization.

1000565412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1000565412 is about 31631.7152870343. The cubic root of 1000565412 is about 1000.1884351566.

The spelling of 1000565412 in words is "one billion, five hundred sixty-five thousand, four hundred twelve".