1126212656 has 20 divisors (see below), whose sum is σ = 2232783432. Its totient is φ = 550010496.

The previous prime is 1126212643. The next prime is 1126212667. The reversal of 1126212656 is 6562126211.

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, 817781 + ... + 819156.

Almost surely, 2^1126212656 is an apocalyptic number.

1126212656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1126212656 is a deficient number, since it is larger than the sum of its proper divisors (1106570776).

1126212656 is a wasteful number, since it uses less digits than its factorization.

1126212656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636988 (or 1636982 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 1126212656 is about 33559.0920020194. The cubic root of 1126212656 is about 1040.4154700962.

Adding to 1126212656 its reverse (6562126211), we get a palindrome (7688338867).

The spelling of 1126212656 in words is "one billion, one hundred twenty-six million, two hundred twelve thousand, six hundred fifty-six".