1208969912 has 8 divisors (see below), whose sum is σ = 2266818600. Its totient is φ = 604484952.

The previous prime is 1208969869. The next prime is 1208969917. The reversal of 1208969912 is 2199698021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208969917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75560612 + ... + 75560627.

It is an arithmetic number, because the mean of its divisors is an integer number (283352325).

Almost surely, 2^1208969912 is an apocalyptic number.

It is an amenable number.

1208969912 is a deficient number, since it is larger than the sum of its proper divisors (1057848688).

1208969912 is a wasteful number, since it uses less digits than its factorization.

1208969912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151121245 (or 151121241 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 1208969912 is about 34770.2446353200. The cubic root of 1208969912 is about 1065.2997641194.

The spelling of 1208969912 in words is "one billion, two hundred eight million, nine hundred sixty-nine thousand, nine hundred twelve".