1213930080 has 216 divisors, whose sum is σ = 4554020016. Its totient is φ = 294243840.

The previous prime is 1213930051. The next prime is 1213930093. The reversal of 1213930080 is 800393121.

1213930080 = 4671² + 4672² + ... + 4725².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 170757 + ... + 177723.

It is an arithmetic number, because the mean of its divisors is an integer number (21083426).

Almost surely, 2^1213930080 is an apocalyptic number.

1213930080 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 1213930080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2277010008).

1213930080 is an abundant number, since it is smaller than the sum of its proper divisors (3340089936).

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

1213930080 is a wasteful number, since it uses less digits than its factorization.

1213930080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010 (or 6988 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1213930080 is about 34841.4993936828. The cubic root of 1213930080 is about 1066.7546819734.

The spelling of 1213930080 in words is "one billion, two hundred thirteen million, nine hundred thirty thousand, eighty".