1012515044 has 6 divisors (see below), whose sum is σ = 1771901334. Its totient is φ = 506257520.

The previous prime is 1012515011. The next prime is 1012515079. The reversal of 1012515044 is 4405152101.

It can be written as a sum of positive squares in only one way, i.e., 989857444 + 22657600 = 31462^2 + 4760^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126564377 + ... + 126564384.

It is an arithmetic number, because the mean of its divisors is an integer number (295316889).

Almost surely, 2^1012515044 is an apocalyptic number.

It is an amenable number.

1012515044 is a deficient number, since it is larger than the sum of its proper divisors (759386290).

1012515044 is a wasteful number, since it uses less digits than its factorization.

1012515044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253128765 (or 253128763 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1012515044 is about 31820.0415461702. The cubic root of 1012515044 is about 1004.1543984069.

Adding to 1012515044 its reverse (4405152101), we get a palindrome (5417667145).

The spelling of 1012515044 in words is "one billion, twelve million, five hundred fifteen thousand, forty-four".