1065421745 has 8 divisors (see below), whose sum is σ = 1279368000. Its totient is φ = 851762800.

The previous prime is 1065421727. The next prime is 1065421837. The reversal of 1065421745 is 5471245601.

1065421745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1065421745 - 2²⁴ = 1048644529 is a prime.

It is a super-2 number, since 2×1065421745² = 2270246989437690050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63581 + ... + 78570.

It is an arithmetic number, because the mean of its divisors is an integer number (159921000).

Almost surely, 2^1065421745 is an apocalyptic number.

It is an amenable number.

1065421745 is a deficient number, since it is larger than the sum of its proper divisors (213946255).

1065421745 is a wasteful number, since it uses less digits than its factorization.

1065421745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143655.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 1065421745 is about 32640.7987800544. The cubic root of 1065421745 is about 1021.3482571093.

The spelling of 1065421745 in words is "one billion, sixty-five million, four hundred twenty-one thousand, seven hundred forty-five".