1208780200 has 96 divisors (see below), whose sum is σ = 2892672000. Its totient is φ = 469568000.

The previous prime is 1208780159. The next prime is 1208780213. The reversal of 1208780200 is 20878021.

It is a super-2 number, since 2×1208780200² = 2922299143824080000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1049625 + ... + 1050775.

It is an arithmetic number, because the mean of its divisors is an integer number (30132000).

Almost surely, 2^1208780200 is an apocalyptic number.

1208780200 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 1208780200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446336000).

1208780200 is an abundant number, since it is smaller than the sum of its proper divisors (1683891800).

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

1208780200 is a wasteful number, since it uses less digits than its factorization.

1208780200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1208780200 is about 34767.5164485472. The cubic root of 1208780200 is about 1065.2440387952.

The spelling of 1208780200 in words is "one billion, two hundred eight million, seven hundred eighty thousand, two hundred".