1072107656 has 8 divisors (see below), whose sum is σ = 2010201870. Its totient is φ = 536053824.

The previous prime is 1072107653. The next prime is 1072107677. The reversal of 1072107656 is 6567012701.

1072107656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1071514756 + 592900 = 32734^2 + 770^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1072107656² = 2298829652107628672, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1072107653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67006721 + ... + 67006736.

Almost surely, 2^1072107656 is an apocalyptic number.

It is an amenable number.

1072107656 is a deficient number, since it is larger than the sum of its proper divisors (938094214).

1072107656 is a wasteful number, since it uses less digits than its factorization.

1072107656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134013463 (or 134013459 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 1072107656 is about 32743.0550804289. The cubic root of 1072107656 is about 1023.4802482174.

The spelling of 1072107656 in words is "one billion, seventy-two million, one hundred seven thousand, six hundred fifty-six".