1230677280 has 192 divisors, whose sum is σ = 4922830080. Its totient is φ = 281290752.

The previous prime is 1230677183. The next prime is 1230677297. The reversal of 1230677280 is 827760321.

1230677280 is a `hidden beast` number, since 1 + 2 + 306 + 77 + 280 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9892 + ... + 50588.

It is an arithmetic number, because the mean of its divisors is an integer number (25639740).

Almost surely, 2^1230677280 is an apocalyptic number.

1230677280 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 1230677280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2461415040).

1230677280 is an abundant number, since it is smaller than the sum of its proper divisors (3692152800).

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

1230677280 is a wasteful number, since it uses less digits than its factorization.

1230677280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40728 (or 40714 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1230677280 is about 35081.0102477109. The cubic root of 1230677280 is about 1071.6378909894.

The spelling of 1230677280 in words is "one billion, two hundred thirty million, six hundred seventy-seven thousand, two hundred eighty".