1208101158 has 96 divisors (see below), whose sum is σ = 3034661760. Its totient is φ = 343284480.

The previous prime is 1208101129. The next prime is 1208101159. The reversal of 1208101158 is 8511018021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208101159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1275241 + ... + 1276187.

It is an arithmetic number, because the mean of its divisors is an integer number (31611060).

Almost surely, 2^1208101158 is an apocalyptic number.

1208101158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1208101158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517330880).

1208101158 is an abundant number, since it is smaller than the sum of its proper divisors (1826560602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1208101158 is a wasteful number, since it uses less digits than its factorization.

1208101158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 27.

The square root of 1208101158 is about 34757.7496106983. The cubic root of 1208101158 is about 1065.0445316300.

Adding to 1208101158 its reverse (8511018021), we get a palindrome (9719119179).

The spelling of 1208101158 in words is "one billion, two hundred eight million, one hundred one thousand, one hundred fifty-eight".