1011442065 has 16 divisors (see below), whose sum is σ = 1633156800. Its totient is φ = 534485952.

The previous prime is 1011442057. The next prime is 1011442099. The reversal of 1011442065 is 5602441101.

It is a happy number.

It is not a de Polignac number, because 1011442065 - 2³ = 1011442057 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307675 + ... + 310944.

It is an arithmetic number, because the mean of its divisors is an integer number (102072300).

Almost surely, 2^1011442065 is an apocalyptic number.

1011442065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011442065 is a deficient number, since it is larger than the sum of its proper divisors (621714735).

1011442065 is a wasteful number, since it uses less digits than its factorization.

1011442065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618736.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1011442065 is about 31803.1769639450. The cubic root of 1011442065 is about 1003.7995666753.

Adding to 1011442065 its reverse (5602441101), we get a palindrome (6613883166).

The spelling of 1011442065 in words is "one billion, eleven million, four hundred forty-two thousand, sixty-five".