1208223071 has 4 divisors (see below), whose sum is σ = 1318061544. Its totient is φ = 1098384600.

The previous prime is 1208223067. The next prime is 1208223101. The reversal of 1208223071 is 1703228021.

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

It is a cyclic number.

It is not a de Polignac number, because 1208223071 - 2² = 1208223067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1208223071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208223011) 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 3 ways as a sum of consecutive naturals, for example, 54919220 + ... + 54919241.

It is an arithmetic number, because the mean of its divisors is an integer number (329515386).

Almost surely, 2^1208223071 is an apocalyptic number.

1208223071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1208223071 is a deficient number, since it is larger than the sum of its proper divisors (109838473).

1208223071 is a wasteful number, since it uses less digits than its factorization.

1208223071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109838472.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1208223071 is about 34759.5033192363. The cubic root of 1208223071 is about 1065.0803560049.

It can be divided in two parts, 12082 and 23071, that added together give a palindrome (35153).

The spelling of 1208223071 in words is "one billion, two hundred eight million, two hundred twenty-three thousand, seventy-one".