1206228111 has 8 divisors (see below), whose sum is σ = 1754513664. Its totient is φ = 731047320.

The previous prime is 1206228103. The next prime is 1206228119. The reversal of 1206228111 is 1118226021.

It is an interprime number because it is at equal distance from previous prime (1206228103) and next prime (1206228119).

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

It is not a de Polignac number, because 1206228111 - 2³ = 1206228103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206228119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18276151 + ... + 18276216.

It is an arithmetic number, because the mean of its divisors is an integer number (219314208).

Almost surely, 2^1206228111 is an apocalyptic number.

1206228111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1206228111 is a deficient number, since it is larger than the sum of its proper divisors (548285553).

1206228111 is a wasteful number, since it uses less digits than its factorization.

1206228111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36552381.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 1206228111 is about 34730.7948512556. The cubic root of 1206228111 is about 1064.4938298675.

The spelling of 1206228111 in words is "one billion, two hundred six million, two hundred twenty-eight thousand, one hundred eleven".