1228872060 has 480 divisors, whose sum is σ = 4507937280. Its totient is φ = 277820928.

The previous prime is 1228872019. The next prime is 1228872077. The reversal of 1228872060 is 602788221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 20828311 + ... + 20828369.

It is an arithmetic number, because the mean of its divisors is an integer number (9391536).

Almost surely, 2^1228872060 is an apocalyptic number.

1228872060 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 1228872060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2253968640).

1228872060 is an abundant number, since it is smaller than the sum of its proper divisors (3279065220).

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

1228872060 is a wasteful number, since it uses less digits than its factorization.

1228872060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1228872060 is about 35055.2715008742. The cubic root of 1228872060 is about 1071.1136569351.

It can be divided in two parts, 12288 and 72060, that added together give a palindrome (84348).

The spelling of 1228872060 in words is "one billion, two hundred twenty-eight million, eight hundred seventy-two thousand, sixty".