1011013268 has 12 divisors (see below), whose sum is σ = 1798278132. Its totient is φ = 497219520.

The previous prime is 1011013253. The next prime is 1011013279. The reversal of 1011013268 is 8623101101.

It can be written as a sum of positive squares in 2 ways, for example, as 279959824 + 731053444 = 16732^2 + 27038^2 .

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, 2071505 + ... + 2071992.

It is an arithmetic number, because the mean of its divisors is an integer number (149856511).

Almost surely, 2^1011013268 is an apocalyptic number.

It is an amenable number.

1011013268 is a deficient number, since it is larger than the sum of its proper divisors (787264864).

1011013268 is a wasteful number, since it uses less digits than its factorization.

1011013268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143562 (or 4143560 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1011013268 is about 31796.4348315971. The cubic root of 1011013268 is about 1003.6576942940.

Adding to 1011013268 its reverse (8623101101), we get a palindrome (9634114369).

The spelling of 1011013268 in words is "one billion, eleven million, thirteen thousand, two hundred sixty-eight".