1226021006 has 16 divisors (see below), whose sum is σ = 2102557824. Its totient is φ = 525235704.

The previous prime is 1226020979. The next prime is 1226021053. The reversal of 1226021006 is 6001206221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24401 + ... + 55203.

It is an arithmetic number, because the mean of its divisors is an integer number (131409864).

Almost surely, 2^1226021006 is an apocalyptic number.

1226021006 is a deficient number, since it is larger than the sum of its proper divisors (876536818).

1226021006 is a wasteful number, since it uses less digits than its factorization.

1226021006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33655.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1226021006 is about 35014.5827620436. The cubic root of 1226021006 is about 1070.2846670316.

Adding to 1226021006 its reverse (6001206221), we get a palindrome (7227227227).

The spelling of 1226021006 in words is "one billion, two hundred twenty-six million, twenty-one thousand, six".