1208970143 has 4 divisors (see below), whose sum is σ = 1234692960. Its totient is φ = 1183247328.

The previous prime is 1208970131. The next prime is 1208970149. The reversal of 1208970143 is 3410798021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3410798021 = 457 ⋅7463453.

It is a cyclic number.

It is not a de Polignac number, because 1208970143 - 2⁴ = 1208970127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208970149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12861338 + ... + 12861431.

It is an arithmetic number, because the mean of its divisors is an integer number (308673240).

Almost surely, 2^1208970143 is an apocalyptic number.

1208970143 is a deficient number, since it is larger than the sum of its proper divisors (25722817).

1208970143 is an equidigital number, since it uses as much as digits as its factorization.

1208970143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25722816.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1208970143 is about 34770.2479571256. The cubic root of 1208970143 is about 1065.2998319690.

The spelling of 1208970143 in words is "one billion, two hundred eight million, nine hundred seventy thousand, one hundred forty-three".