1085438612 has 12 divisors (see below), whose sum is σ = 1999492320. Its totient is φ = 514155096.

The previous prime is 1085438597. The next prime is 1085438657. The reversal of 1085438612 is 2168345801.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7140968 + ... + 7141119.

It is an arithmetic number, because the mean of its divisors is an integer number (166624360).

Almost surely, 2^1085438612 is an apocalyptic number.

It is an amenable number.

1085438612 is a deficient number, since it is larger than the sum of its proper divisors (914053708).

1085438612 is a wasteful number, since it uses less digits than its factorization.

1085438612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14282110 (or 14282108 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 1085438612 is about 32945.9953863895. The cubic root of 1085438612 is about 1027.7048881124.

The spelling of 1085438612 in words is "one billion, eighty-five million, four hundred thirty-eight thousand, six hundred twelve".