1226020600 has 96 divisors (see below), whose sum is σ = 3429244800. Its totient is φ = 398217600.

The previous prime is 1226020591. The next prime is 1226020613. The reversal of 1226020600 is 60206221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3555 + ... + 49645.

It is an arithmetic number, because the mean of its divisors is an integer number (35721300).

Almost surely, 2^1226020600 is an apocalyptic number.

1226020600 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 1226020600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1714622400).

1226020600 is an abundant number, since it is smaller than the sum of its proper divisors (2203224200).

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

1226020600 is a wasteful number, since it uses less digits than its factorization.

1226020600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46133 (or 46124 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1226020600 is about 35014.5769644587. The cubic root of 1226020600 is about 1070.2845488891.

Adding to 1226020600 its reverse (60206221), we get a palindrome (1286226821).

The spelling of 1226020600 in words is "one billion, two hundred twenty-six million, twenty thousand, six hundred".