1126643604 has 12 divisors (see below), whose sum is σ = 2628835104. Its totient is φ = 375547864.

The previous prime is 1126643603. The next prime is 1126643611. The reversal of 1126643604 is 4063466211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126643603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46943472 + ... + 46943495.

It is an arithmetic number, because the mean of its divisors is an integer number (219069592).

Almost surely, 2^1126643604 is an apocalyptic number.

It is an amenable number.

1126643604 is an abundant number, since it is smaller than the sum of its proper divisors (1502191500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1126643604 is a wasteful number, since it uses less digits than its factorization.

1126643604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93886974 (or 93886972 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1126643604 is about 33565.5121218193. The cubic root of 1126643604 is about 1040.5481590061.

The spelling of 1126643604 in words is "one billion, one hundred twenty-six million, six hundred forty-three thousand, six hundred four".