1045020112 has 20 divisors (see below), whose sum is σ = 2052464740. Its totient is φ = 515351808.

The previous prime is 1045020047. The next prime is 1045020127. The reversal of 1045020112 is 2110205401.

It can be written as a sum of positive squares in 2 ways, for example, as 204947856 + 840072256 = 14316^2 + 28984^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 446187 + ... + 448522.

It is an arithmetic number, because the mean of its divisors is an integer number (102623237).

Almost surely, 2^1045020112 is an apocalyptic number.

It is an amenable number.

1045020112 is a deficient number, since it is larger than the sum of its proper divisors (1007444628).

1045020112 is an equidigital number, since it uses as much as digits as its factorization.

1045020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894790 (or 894784 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1045020112 is about 32326.7708254320. The cubic root of 1045020112 is about 1014.7869717212.

Adding to 1045020112 its reverse (2110205401), we get a palindrome (3155225513).

The spelling of 1045020112 in words is "one billion, forty-five million, twenty thousand, one hundred twelve".