1126690992 has 160 divisors (see below), whose sum is σ = 3714444800. Its totient is φ = 320308992.

The previous prime is 1126690933. The next prime is 1126690993. The reversal of 1126690992 is 2990966211.

It is not an unprimeable number, because it can be changed into a prime (1126690993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 691683 + ... + 693309.

It is an arithmetic number, because the mean of its divisors is an integer number (23215280).

Almost surely, 2^1126690992 is an apocalyptic number.

1126690992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126690992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1857222400).

1126690992 is an abundant number, since it is smaller than the sum of its proper divisors (2587753808).

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

1126690992 is a wasteful number, since it uses less digits than its factorization.

1126690992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 1126690992 is about 33566.2180175247. The cubic root of 1126690992 is about 1040.5627477085.

The spelling of 1126690992 in words is "one billion, one hundred twenty-six million, six hundred ninety thousand, nine hundred ninety-two".