1208261672 has 16 divisors (see below), whose sum is σ = 2398755060. Its totient is φ = 568593664.

The previous prime is 1208261647. The next prime is 1208261701. The reversal of 1208261672 is 2761628021.

It can be written as a sum of positive squares in 2 ways, for example, as 956912356 + 251349316 = 30934^2 + 15854^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4442003 + ... + 4442274.

Almost surely, 2^1208261672 is an apocalyptic number.

It is an amenable number.

1208261672 is a deficient number, since it is larger than the sum of its proper divisors (1190493388).

1208261672 is a wasteful number, since it uses less digits than its factorization.

1208261672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8884300 (or 8884296 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1208261672 is about 34760.0585730231. The cubic root of 1208261672 is about 1065.0916984824.

Adding to 1208261672 its reverse (2761628021), we get a palindrome (3969889693).

The spelling of 1208261672 in words is "one billion, two hundred eight million, two hundred sixty-one thousand, six hundred seventy-two".