1126206249 has 24 divisors (see below), whose sum is σ = 1787401440. Its totient is φ = 628576704.

The previous prime is 1126206233. The next prime is 1126206269. The reversal of 1126206249 is 9426026211.

It is not a de Polignac number, because 1126206249 - 2⁴ = 1126206233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1126206269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82764 + ... + 95405.

It is an arithmetic number, because the mean of its divisors is an integer number (74475060).

Almost surely, 2^1126206249 is an apocalyptic number.

It is an amenable number.

1126206249 is a deficient number, since it is larger than the sum of its proper divisors (661195191).

1126206249 is a wasteful number, since it uses less digits than its factorization.

1126206249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178229 (or 178222 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1126206249 is about 33558.9965434010. The cubic root of 1126206249 is about 1040.4134971253.

The spelling of 1126206249 in words is "one billion, one hundred twenty-six million, two hundred six thousand, two hundred forty-nine".