1071264044 has 36 divisors (see below), whose sum is σ = 2033951136. Its totient is φ = 493373184.

The previous prime is 1071264017. The next prime is 1071264053. The reversal of 1071264044 is 4404621701.

It is a happy number.

It is a super-2 number, since 2×1071264044² = 2295213303934467872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071263998 and 1071264016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44474 + ... + 64190.

Almost surely, 2^1071264044 is an apocalyptic number.

It is an amenable number.

1071264044 is a deficient number, since it is larger than the sum of its proper divisors (962687092).

1071264044 is a wasteful number, since it uses less digits than its factorization.

1071264044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19802 (or 19783 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1071264044 is about 32730.1702409260. The cubic root of 1071264044 is about 1023.2117282976.

Adding to 1071264044 its reverse (4404621701), we get a palindrome (5475885745).

The spelling of 1071264044 in words is "one billion, seventy-one million, two hundred sixty-four thousand, forty-four".