1228740800 has 168 divisors, whose sum is σ = 3567866880. Its totient is φ = 407577600.

The previous prime is 1228740797. The next prime is 1228740809. The reversal of 1228740800 is 80478221.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1228740809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345431 + ... + 348969.

Almost surely, 2^1228740800 is an apocalyptic number.

1228740800 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 1228740800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1783933440).

1228740800 is an abundant number, since it is smaller than the sum of its proper divisors (2339126080).

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

1228740800 is a wasteful number, since it uses less digits than its factorization.

1228740800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599 (or 3584 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 1228740800 is about 35053.3992645506. The cubic root of 1228740800 is about 1071.0755191475.

The spelling of 1228740800 in words is "one billion, two hundred twenty-eight million, seven hundred forty thousand, eight hundred".