1226010720 has 384 divisors, whose sum is σ = 4515678720. Its totient is φ = 278784000.

The previous prime is 1226010713. The next prime is 1226010733. The reversal of 1226010720 is 270106221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12138670 + ... + 12138770.

It is an arithmetic number, because the mean of its divisors is an integer number (11759580).

Almost surely, 2^1226010720 is an apocalyptic number.

1226010720 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 1226010720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257839360).

1226010720 is an abundant number, since it is smaller than the sum of its proper divisors (3289668000).

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

1226010720 is a wasteful number, since it uses less digits than its factorization.

1226010720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1226010720 is about 35014.4358800767. The cubic root of 1226010720 is about 1070.2816738858.

Adding to 1226010720 its reverse (270106221), we get a palindrome (1496116941).

The spelling of 1226010720 in words is "one billion, two hundred twenty-six million, ten thousand, seven hundred twenty".