1208582161 has 8 divisors (see below), whose sum is σ = 1234621440. Its totient is φ = 1182662832.

The previous prime is 1208582147. The next prime is 1208582201. The reversal of 1208582161 is 1612858021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1208582161 - 2⁵ = 1208582129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1208582561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9471 + ... + 50068.

It is an arithmetic number, because the mean of its divisors is an integer number (154327680).

Almost surely, 2^1208582161 is an apocalyptic number.

It is an amenable number.

1208582161 is a deficient number, since it is larger than the sum of its proper divisors (26039279).

1208582161 is an equidigital number, since it uses as much as digits as its factorization.

1208582161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59975.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 1208582161 is about 34764.6682854878. The cubic root of 1208582161 is about 1065.1858613074.

The spelling of 1208582161 in words is "one billion, two hundred eight million, five hundred eighty-two thousand, one hundred sixty-one".