1012003344 has 135 divisors (see below), whose sum is σ = 3126054477. Its totient is φ = 305395200.

The previous prime is 1012003337. The next prime is 1012003397. The reversal of 1012003344 is 4433002101.

The square root of 1012003344 is 31812.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 761097744 + 250905600 = 27588^2 + 15840^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 26 ways as a sum of consecutive naturals, for example, 4199064 + ... + 4199304.

Almost surely, 2^1012003344 is an apocalyptic number.

1012003344 is the 31812-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012003344

1012003344 is an abundant number, since it is smaller than the sum of its proper divisors (2114051133).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012003344 is a wasteful number, since it uses less digits than its factorization.

1012003344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The cubic root of 1012003344 is about 1003.9852116571.

Adding to 1012003344 its reverse (4433002101), we get a palindrome (5445005445).

The spelling of 1012003344 in words is "one billion, twelve million, three thousand, three hundred forty-four".