1065120600 has 48 divisors (see below), whose sum is σ = 3301875720. Its totient is φ = 284032000.

The previous prime is 1065120571. The next prime is 1065120607. The reversal of 1065120600 is 60215601.

It is a happy number.

It is a super-2 number, since 2×1065120600² = 2268963785088720000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065120607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 887001 + ... + 888200.

Almost surely, 2^1065120600 is an apocalyptic number.

1065120600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065120600 is an abundant number, since it is smaller than the sum of its proper divisors (2236755120).

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

1065120600 is a wasteful number, since it uses less digits than its factorization.

1065120600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775220 (or 1775211 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1065120600 is about 32636.1854388652. The cubic root of 1065120600 is about 1021.2520188807.

The spelling of 1065120600 in words is "one billion, sixty-five million, one hundred twenty thousand, six hundred".