1308845121 has 16 divisors (see below), whose sum is σ = 1752971136. Its totient is φ = 868651776.

The previous prime is 1308845071. The next prime is 1308845159. The reversal of 1308845121 is 1215488031.

It is not a de Polignac number, because 1308845121 - 2¹⁵ = 1308812353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1308845621) 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 15 ways as a sum of consecutive naturals, for example, 847476 + ... + 849018.

It is an arithmetic number, because the mean of its divisors is an integer number (109560696).

Almost surely, 2^1308845121 is an apocalyptic number.

It is an amenable number.

1308845121 is a deficient number, since it is larger than the sum of its proper divisors (444126015).

1308845121 is a wasteful number, since it uses less digits than its factorization.

1308845121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 1308845121 is about 36177.9645779029. The cubic root of 1308845121 is about 1093.8625473039.

The spelling of 1308845121 in words is "one billion, three hundred eight million, eight hundred forty-five thousand, one hundred twenty-one".