1126809072 has 60 divisors (see below), whose sum is σ = 3156589384. Its totient is φ = 375235200.

The previous prime is 1126809059. The next prime is 1126809083. The reversal of 1126809072 is 2709086211.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171447 + ... + 177897.

Almost surely, 2^1126809072 is an apocalyptic number.

1126809072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1126809072 is an abundant number, since it is smaller than the sum of its proper divisors (2029780312).

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

1126809072 is a wasteful number, since it uses less digits than its factorization.

1126809072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7678 (or 7669 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1126809072 is about 33567.9768827375. The cubic root of 1126809072 is about 1040.5990976211.

The spelling of 1126809072 in words is "one billion, one hundred twenty-six million, eight hundred nine thousand, seventy-two".