1100085407 has 4 divisors (see below), whose sum is σ = 1118119656. Its totient is φ = 1082051160.

The previous prime is 1100085379. The next prime is 1100085433. The reversal of 1100085407 is 7045800011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100085407 - 2¹⁶ = 1100019871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100085307) 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, 9017033 + ... + 9017154.

It is an arithmetic number, because the mean of its divisors is an integer number (279529914).

Almost surely, 2^1100085407 is an apocalyptic number.

1100085407 is a deficient number, since it is larger than the sum of its proper divisors (18034249).

1100085407 is an equidigital number, since it uses as much as digits as its factorization.

1100085407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18034248.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1100085407 is about 33167.5354375329. The cubic root of 1100085407 is about 1032.3068311128.

Adding to 1100085407 its reverse (7045800011), we get a palindrome (8145885418).

The spelling of 1100085407 in words is "one billion, one hundred million, eighty-five thousand, four hundred seven".