1208949976 has 16 divisors (see below), whose sum is σ = 2441149200. Its totient is φ = 557976864.

The previous prime is 1208949961. The next prime is 1208949979. The reversal of 1208949976 is 6799498021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208949979) 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 3 ways as a sum of consecutive naturals, for example, 5812156 + ... + 5812363.

It is an arithmetic number, because the mean of its divisors is an integer number (152571825).

Almost surely, 2^1208949976 is an apocalyptic number.

It is an amenable number.

1208949976 is an abundant number, since it is smaller than the sum of its proper divisors (1232199224).

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

1208949976 is a wasteful number, since it uses less digits than its factorization.

1208949976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11624538 (or 11624534 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 1208949976 is about 34769.9579522323. The cubic root of 1208949976 is about 1065.2939084642.

The spelling of 1208949976 in words is "one billion, two hundred eight million, nine hundred forty-nine thousand, nine hundred seventy-six".