1012515628 has 24 divisors (see below), whose sum is σ = 1847462400. Its totient is φ = 484944768.

The previous prime is 1012515617. The next prime is 1012515653. The reversal of 1012515628 is 8265152101.

1012515628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1012515628.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19633 + ... + 49096.

It is an arithmetic number, because the mean of its divisors is an integer number (76977600).

Almost surely, 2^1012515628 is an apocalyptic number.

It is an amenable number.

1012515628 is a deficient number, since it is larger than the sum of its proper divisors (834946772).

1012515628 is a wasteful number, since it uses less digits than its factorization.

1012515628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68889 (or 68887 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 1012515628 is about 31820.0507227754. The cubic root of 1012515628 is about 1004.1545914661.

Adding to 1012515628 its reverse (8265152101), we get a palindrome (9277667729).

The spelling of 1012515628 in words is "one billion, twelve million, five hundred fifteen thousand, six hundred twenty-eight".