1226102620 has 12 divisors (see below), whose sum is σ = 2574815544. Its totient is φ = 490441040.

The previous prime is 1226102609. The next prime is 1226102651. The reversal of 1226102620 is 262016221.

It is a junction number, because it is equal to n+sod(n) for n = 1226102591 and 1226102600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30652546 + ... + 30652585.

It is an arithmetic number, because the mean of its divisors is an integer number (214567962).

Almost surely, 2^1226102620 is an apocalyptic number.

1226102620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226102620 is an abundant number, since it is smaller than the sum of its proper divisors (1348712924).

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

1226102620 is a wasteful number, since it uses less digits than its factorization.

1226102620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61305140 (or 61305138 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1226102620 is about 35015.7481713586. The cubic root of 1226102620 is about 1070.3084154759.

Adding to 1226102620 its reverse (262016221), we get a palindrome (1488118841).

The spelling of 1226102620 in words is "one billion, two hundred twenty-six million, one hundred two thousand, six hundred twenty".