1208425800 has 96 divisors (see below), whose sum is σ = 3837566880. Its totient is φ = 314380800.

The previous prime is 1208425781. The next prime is 1208425817. The reversal of 1208425800 is 85248021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39 + ... + 49161.

It is an arithmetic number, because the mean of its divisors is an integer number (39974655).

Almost surely, 2^1208425800 is an apocalyptic number.

1208425800 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 1208425800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1918783440).

1208425800 is an abundant number, since it is smaller than the sum of its proper divisors (2629141080).

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

1208425800 is a wasteful number, since it uses less digits than its factorization.

1208425800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49183 (or 49174 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 1208425800 is about 34762.4193634448. The cubic root of 1208425800 is about 1065.1399229853.

The spelling of 1208425800 in words is "one billion, two hundred eight million, four hundred twenty-five thousand, eight hundred".