1206740808 has 384 divisors, whose sum is σ = 4331308800. Its totient is φ = 303077376.

The previous prime is 1206740807. The next prime is 1206740809. The reversal of 1206740808 is 8080476021.

It is an interprime number because it is at equal distance from previous prime (1206740807) and next prime (1206740809).

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

It is not an unprimeable number, because it can be changed into a prime (1206740803) 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 95 ways as a sum of consecutive naturals, for example, 16530660 + ... + 16530732.

It is an arithmetic number, because the mean of its divisors is an integer number (11279450).

Almost surely, 2^1206740808 is an apocalyptic number.

1206740808 is a gapful number since it is divisible by the number (18) 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 1206740808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2165654400).

1206740808 is an abundant number, since it is smaller than the sum of its proper divisors (3124567992).

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

1206740808 is a wasteful number, since it uses less digits than its factorization.

1206740808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1206740808 is about 34738.1750816015. The cubic root of 1206740808 is about 1064.6446265210.

The spelling of 1206740808 in words is "one billion, two hundred six million, seven hundred forty thousand, eight hundred eight".