1085225801 has 8 divisors (see below), whose sum is σ = 1191147744. Its totient is φ = 980514720.

The previous prime is 1085225789. The next prime is 1085225839.

It is a happy number.

1085225801 is nontrivially palindromic in base 10.

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 1085225801 - 2⁶ = 1085225737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085221801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300836 + ... + 304421.

It is an arithmetic number, because the mean of its divisors is an integer number (148893468).

Almost surely, 2^1085225801 is an apocalyptic number.

1085225801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1085225801 is a deficient number, since it is larger than the sum of its proper divisors (105921943).

1085225801 is a wasteful number, since it uses less digits than its factorization.

1085225801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605431.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 1085225801 is about 32942.7655335735. The cubic root of 1085225801 is about 1027.6377198122.

The spelling of 1085225801 in words is "one billion, eighty-five million, two hundred twenty-five thousand, eight hundred one".