1113020665 has 8 divisors (see below), whose sum is σ = 1405920960. Its totient is φ = 843552432.

The previous prime is 1113020639. The next prime is 1113020681. The reversal of 1113020665 is 5660203111.

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

It is a cyclic number.

It is not a de Polignac number, because 1113020665 - 2⁵ = 1113020633 is a prime.

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, 5857909 + ... + 5858098.

It is an arithmetic number, because the mean of its divisors is an integer number (175740120).

Almost surely, 2^1113020665 is an apocalyptic number.

It is an amenable number.

1113020665 is a deficient number, since it is larger than the sum of its proper divisors (292900295).

1113020665 is a wasteful number, since it uses less digits than its factorization.

1113020665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11716031.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1113020665 is about 33361.9643456437. The cubic root of 1113020665 is about 1036.3371718610.

Adding to 1113020665 its reverse (5660203111), we get a palindrome (6773223776).

The spelling of 1113020665 in words is "one billion, one hundred thirteen million, twenty thousand, six hundred sixty-five".