1249082260 has 24 divisors (see below), whose sum is σ = 2693968200. Its totient is φ = 486129024.

The previous prime is 1249082239. The next prime is 1249082269. The reversal of 1249082260 is 622809421.

It can be written as a sum of positive squares in 4 ways, for example, as 160478224 + 1088604036 = 12668^2 + 32994^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249082269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843235 + ... + 844714.

It is an arithmetic number, because the mean of its divisors is an integer number (112248675).

Almost surely, 2^1249082260 is an apocalyptic number.

1249082260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1249082260 is an abundant number, since it is smaller than the sum of its proper divisors (1444885940).

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

1249082260 is a wasteful number, since it uses less digits than its factorization.

1249082260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687995 (or 1687993 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1249082260 is about 35342.3578726717. The cubic root of 1249082260 is about 1076.9536523527.

The spelling of 1249082260 in words is "one billion, two hundred forty-nine million, eighty-two thousand, two hundred sixty".