1208008620 has 576 divisors, whose sum is σ = 4879687680. Its totient is φ = 242611200.

The previous prime is 1208008579. The next prime is 1208008631. The reversal of 1208008620 is 268008021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 19803390 + ... + 19803450.

It is an arithmetic number, because the mean of its divisors is an integer number (8471680).

Almost surely, 2^1208008620 is an apocalyptic number.

1208008620 is a gapful number since it is divisible by the number (10) 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 1208008620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2439843840).

1208008620 is an abundant number, since it is smaller than the sum of its proper divisors (3671679060).

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

1208008620 is a wasteful number, since it uses less digits than its factorization.

1208008620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1208008620 is about 34756.4184000596. The cubic root of 1208008620 is about 1065.0173375475.

The spelling of 1208008620 in words is "one billion, two hundred eight million, eight thousand, six hundred twenty".