1012445885 has 8 divisors (see below), whose sum is σ = 1325383776. Its totient is φ = 736324240.

The previous prime is 1012445881. The next prime is 1012445893. The reversal of 1012445885 is 5885442101.

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

It is not a de Polignac number, because 1012445885 - 2² = 1012445881 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 (1012445881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9203999 + ... + 9204108.

It is an arithmetic number, because the mean of its divisors is an integer number (165672972).

Almost surely, 2^1012445885 is an apocalyptic number.

It is an amenable number.

1012445885 is a deficient number, since it is larger than the sum of its proper divisors (312937891).

1012445885 is a wasteful number, since it uses less digits than its factorization.

1012445885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18408123.

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 1012445885 is about 31818.9548068443. The cubic root of 1012445885 is about 1004.1315352420.

Adding to 1012445885 its reverse (5885442101), we get a palindrome (6897887986).

The spelling of 1012445885 in words is "one billion, twelve million, four hundred forty-five thousand, eight hundred eighty-five".