1208560971 has 4 divisors (see below), whose sum is σ = 1611414632. Its totient is φ = 805707312.

The previous prime is 1208560963. The next prime is 1208561017. The reversal of 1208560971 is 1790658021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1208560971 - 2³ = 1208560963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1208560571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201426826 + ... + 201426831.

It is an arithmetic number, because the mean of its divisors is an integer number (402853658).

Almost surely, 2^1208560971 is an apocalyptic number.

1208560971 is a deficient number, since it is larger than the sum of its proper divisors (402853661).

1208560971 is an equidigital number, since it uses as much as digits as its factorization.

1208560971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402853660.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1208560971 is about 34764.3635207090. The cubic root of 1208560971 is about 1065.1796359906.

The spelling of 1208560971 in words is "one billion, two hundred eight million, five hundred sixty thousand, nine hundred seventy-one".