1126769886 has 128 divisors (see below), whose sum is σ = 2851200000. Its totient is φ = 326712960.

The previous prime is 1126769881. The next prime is 1126769899. The reversal of 1126769886 is 6889676211.

It is a super-2 number, since 2×1126769886² = 2539220751992905992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126769881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2566455 + ... + 2566893.

It is an arithmetic number, because the mean of its divisors is an integer number (22275000).

Almost surely, 2^1126769886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126769886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425600000).

1126769886 is an abundant number, since it is smaller than the sum of its proper divisors (1724430114).

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

1126769886 is a wasteful number, since it uses less digits than its factorization.

1126769886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 633 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 1126769886 is about 33567.3931963744. The cubic root of 1126769886 is about 1040.5870348295.

The spelling of 1126769886 in words is "one billion, one hundred twenty-six million, seven hundred sixty-nine thousand, eight hundred eighty-six".