1208117376 has 128 divisors (see below), whose sum is σ = 3775550400. Its totient is φ = 378998784.

The previous prime is 1208117371. The next prime is 1208117387. The reversal of 1208117376 is 6737118021.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1208117376.

It is not an unprimeable number, because it can be changed into a prime (1208117371) 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 15 ways as a sum of consecutive naturals, for example, 48471 + ... + 69033.

Almost surely, 2^1208117376 is an apocalyptic number.

1208117376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1208117376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1887775200).

1208117376 is an abundant number, since it is smaller than the sum of its proper divisors (2567433024).

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

1208117376 is a wasteful number, since it uses less digits than its factorization.

1208117376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20603 (or 20585 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1208117376 is about 34757.9829104049. The cubic root of 1208117376 is about 1065.0492974602.

The spelling of 1208117376 in words is "one billion, two hundred eight million, one hundred seventeen thousand, three hundred seventy-six".