1126861264 has 20 divisors (see below), whose sum is σ = 2278220256. Its totient is φ = 538933472.

The previous prime is 1126861259. The next prime is 1126861271. The reversal of 1126861264 is 4621686211.

It is a congruent number.

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, 1530694 + ... + 1531429.

Almost surely, 2^1126861264 is an apocalyptic number.

It is an amenable number.

1126861264 is an abundant number, since it is smaller than the sum of its proper divisors (1151358992).

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

1126861264 is a wasteful number, since it uses less digits than its factorization.

1126861264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062154 (or 3062148 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 1126861264 is about 33568.7542813254. The cubic root of 1126861264 is about 1040.6151636702.

The spelling of 1126861264 in words is "one billion, one hundred twenty-six million, eight hundred sixty-one thousand, two hundred sixty-four".