1226026005 has 16 divisors (see below), whose sum is σ = 1979640960. Its totient is φ = 647880768.

The previous prime is 1226026003. The next prime is 1226026027. The reversal of 1226026005 is 5006206221.

It is not a de Polignac number, because 1226026005 - 2¹ = 1226026003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226026001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 373297 + ... + 376566.

It is an arithmetic number, because the mean of its divisors is an integer number (123727560).

Almost surely, 2^1226026005 is an apocalyptic number.

1226026005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1226026005 is a deficient number, since it is larger than the sum of its proper divisors (753614955).

1226026005 is a wasteful number, since it uses less digits than its factorization.

1226026005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749980.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1226026005 is about 35014.6541465141. The cubic root of 1226026005 is about 1070.2861216956.

The spelling of 1226026005 in words is "one billion, two hundred twenty-six million, twenty-six thousand, five".