1230488280 has 512 divisors, whose sum is σ = 4964198400. Its totient is φ = 265254912.

The previous prime is 1230488267. The next prime is 1230488321. The reversal of 1230488280 is 828840321.

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 polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14825119 + ... + 14825201.

It is an arithmetic number, because the mean of its divisors is an integer number (9695700).

Almost surely, 2^1230488280 is an apocalyptic number.

1230488280 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 1230488280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2482099200).

1230488280 is an abundant number, since it is smaller than the sum of its proper divisors (3733710120).

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

1230488280 is a wasteful number, since it uses less digits than its factorization.

1230488280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 1230488280 is about 35078.3163792107. The cubic root of 1230488280 is about 1071.5830296178.

It can be divided in two parts, 123048 and 8280, that added together give a triangular number (131328 = T₅₁₂).

The spelling of 1230488280 in words is "one billion, two hundred thirty million, four hundred eighty-eight thousand, two hundred eighty".