1226055 has 8 divisors (see below), whose sum is σ = 1961712. Its totient is φ = 653888.

The previous prime is 1226053. The next prime is 1226063. The reversal of 1226055 is 5506221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1226055 - 2¹ = 1226053 is a prime.

1226055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40854 + ... + 40883.

It is an arithmetic number, because the mean of its divisors is an integer number (245214).

2^1226055 is an apocalyptic number.

1226055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1226055 is a deficient number, since it is larger than the sum of its proper divisors (735657).

1226055 is an equidigital number, since it uses as much as digits as its factorization.

1226055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81745.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1226055 is about 1107.2736789069. The cubic root of 1226055 is about 107.0294558901.

The spelling of 1226055 in words is "one million, two hundred twenty-six thousand, fifty-five".