1065428700 has 72 divisors (see below), whose sum is σ = 3523024512. Its totient is φ = 243526080.

The previous prime is 1065428659. The next prime is 1065428711. The reversal of 1065428700 is 78245601.

It is a super-2 number, since 2×1065428700² = 2270276629567380000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251574 + ... + 255773.

It is an arithmetic number, because the mean of its divisors is an integer number (48930896).

Almost surely, 2^1065428700 is an apocalyptic number.

1065428700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065428700 is an abundant number, since it is smaller than the sum of its proper divisors (2457595812).

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

1065428700 is a wasteful number, since it uses less digits than its factorization.

1065428700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507371 (or 507364 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1065428700 is about 32640.9053183272. The cubic root of 1065428700 is about 1021.3504795349.

The spelling of 1065428700 in words is "one billion, sixty-five million, four hundred twenty-eight thousand, seven hundred".