1208329530 has 32 divisors (see below), whose sum is σ = 2903428800. Its totient is φ = 321839232.

The previous prime is 1208329511. The next prime is 1208329547. The reversal of 1208329530 is 359238021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1208329491 and 1208329500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2326 + ... + 49214.

It is an arithmetic number, because the mean of its divisors is an integer number (90732150).

Almost surely, 2^1208329530 is an apocalyptic number.

1208329530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1208329530 is an abundant number, since it is smaller than the sum of its proper divisors (1695099270).

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

1208329530 is a wasteful number, since it uses less digits than its factorization.

1208329530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47758.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1208329530 is about 34761.0346508846. The cubic root of 1208329530 is about 1065.1116372206. Note that the first 3 decimals are identical.

The spelling of 1208329530 in words is "one billion, two hundred eight million, three hundred twenty-nine thousand, five hundred thirty".