1206500949 has 24 divisors (see below), whose sum is σ = 1881210240. Its totient is φ = 742829472.

The previous prime is 1206500929. The next prime is 1206501013. The reversal of 1206500949 is 9490056021.

It is not a de Polignac number, because 1206500949 - 2¹² = 1206496853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206500909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94489 + ... + 106494.

It is an arithmetic number, because the mean of its divisors is an integer number (78383760).

Almost surely, 2^1206500949 is an apocalyptic number.

It is an amenable number.

1206500949 is a deficient number, since it is larger than the sum of its proper divisors (674709291).

1206500949 is a wasteful number, since it uses less digits than its factorization.

1206500949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201041 (or 201038 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1206500949 is about 34734.7225266015. The cubic root of 1206500949 is about 1064.5740834751.

The spelling of 1206500949 in words is "one billion, two hundred six million, five hundred thousand, nine hundred forty-nine".