1131282850 has 48 divisors (see below), whose sum is σ = 2231997768. Its totient is φ = 425123840.

The previous prime is 1131282797. The next prime is 1131282851. The reversal of 1131282850 is 582821311.

It can be written as a sum of positive squares in 12 ways, for example, as 191185929 + 940096921 = 13827^2 + 30661^2 .

It is not an unprimeable number, because it can be changed into a prime (1131282851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727674 + ... + 729226.

Almost surely, 2^1131282850 is an apocalyptic number.

1131282850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131282850 is a deficient number, since it is larger than the sum of its proper divisors (1100714918).

1131282850 is a wasteful number, since it uses less digits than its factorization.

1131282850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439 (or 2434 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1131282850 is about 33634.5484583932. The cubic root of 1131282850 is about 1041.9744450171.

The spelling of 1131282850 in words is "one billion, one hundred thirty-one million, two hundred eighty-two thousand, eight hundred fifty".