1130771236 has 18 divisors (see below), whose sum is σ = 2301927558. Its totient is φ = 484616160.

The previous prime is 1130771231. The next prime is 1130771237. The reversal of 1130771236 is 6321770311.

It can be written as a sum of positive squares in only one way, i.e., 631516900 + 499254336 = 25130^2 + 22344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1130771198 and 1130771207.

It is not an unprimeable number, because it can be changed into a prime (1130771231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2884425 + ... + 2884816.

Almost surely, 2^1130771236 is an apocalyptic number.

It is an amenable number.

1130771236 is an abundant number, since it is smaller than the sum of its proper divisors (1171156322).

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

1130771236 is a wasteful number, since it uses less digits than its factorization.

1130771236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769259 (or 5769250 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1130771236 is about 33626.9421149173. The cubic root of 1130771236 is about 1041.8173463464.

The spelling of 1130771236 in words is "one billion, one hundred thirty million, seven hundred seventy-one thousand, two hundred thirty-six".