1085211007 has 4 divisors (see below), whose sum is σ = 1085892136. Its totient is φ = 1084529880.

The previous prime is 1085210983. The next prime is 1085211091. The reversal of 1085211007 is 7001125801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085211007 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 (1085211607) 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, 338169 + ... + 341362.

It is an arithmetic number, because the mean of its divisors is an integer number (271473034).

Almost surely, 2^1085211007 is an apocalyptic number.

1085211007 is a deficient number, since it is larger than the sum of its proper divisors (681129).

1085211007 is an equidigital number, since it uses as much as digits as its factorization.

1085211007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681128.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 1085211007 is about 32942.5409918543. The cubic root of 1085211007 is about 1027.6330501414.

Adding to 1085211007 its reverse (7001125801), we get a palindrome (8086336808).

The spelling of 1085211007 in words is "one billion, eighty-five million, two hundred eleven thousand, seven".