1028735612 has 12 divisors (see below), whose sum is σ = 1842154776. Its totient is φ = 502405680.

The previous prime is 1028735597. The next prime is 1028735657. The reversal of 1028735612 is 2165378201.

It is a happy number.

1028735612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2990339 + ... + 2990682.

It is an arithmetic number, because the mean of its divisors is an integer number (153512898).

Almost surely, 2^1028735612 is an apocalyptic number.

It is an amenable number.

1028735612 is a deficient number, since it is larger than the sum of its proper divisors (813419164).

1028735612 is a wasteful number, since it uses less digits than its factorization.

1028735612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981068 (or 5981066 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1028735612 is about 32073.9085862637. The cubic root of 1028735612 is about 1009.4882261671.

The spelling of 1028735612 in words is "one billion, twenty-eight million, seven hundred thirty-five thousand, six hundred twelve".