1065561026 has 8 divisors (see below), whose sum is σ = 1599105024. Its totient is φ = 532526020.

The previous prime is 1065561023. The next prime is 1065561031. The reversal of 1065561026 is 6201655601.

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

It is a super-2 number, since 2×1065561026² = 2270840600260345352, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1065560983 and 1065561001.

It is not an unprimeable number, because it can be changed into a prime (1065561023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121970 + ... + 130413.

It is an arithmetic number, because the mean of its divisors is an integer number (199888128).

Almost surely, 2^1065561026 is an apocalyptic number.

1065561026 is a deficient number, since it is larger than the sum of its proper divisors (533543998).

1065561026 is a wasteful number, since it uses less digits than its factorization.

1065561026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254496.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1065561026 is about 32642.9322518673. The cubic root of 1065561026 is about 1021.3927616162.

The spelling of 1065561026 in words is "one billion, sixty-five million, five hundred sixty-one thousand, twenty-six".