1226207055 has 32 divisors (see below), whose sum is σ = 1999872000. Its totient is φ = 641393280.

The previous prime is 1226207041. The next prime is 1226207107. The reversal of 1226207055 is 5507026221.

It is not a de Polignac number, because 1226207055 - 2¹⁰ = 1226206031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348696 + ... + 352194.

It is an arithmetic number, because the mean of its divisors is an integer number (62496000).

Almost surely, 2^1226207055 is an apocalyptic number.

1226207055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1226207055 is a deficient number, since it is larger than the sum of its proper divisors (773664945).

1226207055 is a wasteful number, since it uses less digits than its factorization.

1226207055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1226207055 is about 35017.2393971884. The cubic root of 1226207055 is about 1070.3388029503.

The spelling of 1226207055 in words is "one billion, two hundred twenty-six million, two hundred seven thousand, fifty-five".