1208307680 has 48 divisors (see below), whose sum is σ = 2893759344. Its totient is φ = 476697600.

The previous prime is 1208307671. The next prime is 1208307689. The reversal of 1208307680 is 867038021.

It is an interprime number because it is at equal distance from previous prime (1208307671) and next prime (1208307689).

It is a self number, because there is not a number n which added to its sum of digits gives 1208307680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208307689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40046 + ... + 63405.

It is an arithmetic number, because the mean of its divisors is an integer number (60286653).

Almost surely, 2^1208307680 is an apocalyptic number.

1208307680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1208307680 is an abundant number, since it is smaller than the sum of its proper divisors (1685451664).

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

1208307680 is a wasteful number, since it uses less digits than its factorization.

1208307680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103539 (or 103531 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1208307680 is about 34760.7203607750. The cubic root of 1208307680 is about 1065.1052171095.

The spelling of 1208307680 in words is "one billion, two hundred eight million, three hundred seven thousand, six hundred eighty".