1206628055 has 4 divisors (see below), whose sum is σ = 1447953672. Its totient is φ = 965302440.

The previous prime is 1206628043. The next prime is 1206628099. The reversal of 1206628055 is 5508266021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1206628055 - 2¹⁸ = 1206365911 is a prime.

It is a super-2 number, since 2×1206628055² = 2911902526226166050, which contains 22 as substring.

It is a Duffinian number.

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, 120662801 + ... + 120662810.

It is an arithmetic number, because the mean of its divisors is an integer number (361988418).

Almost surely, 2^1206628055 is an apocalyptic number.

1206628055 is a deficient number, since it is larger than the sum of its proper divisors (241325617).

1206628055 is an equidigital number, since it uses as much as digits as its factorization.

1206628055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241325616.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 1206628055 is about 34736.5521461184. The cubic root of 1206628055 is about 1064.6114667865.

The spelling of 1206628055 in words is "one billion, two hundred six million, six hundred twenty-eight thousand, fifty-five".