1206228113 has 4 divisors (see below), whose sum is σ = 1228987188. Its totient is φ = 1183469040.

The previous prime is 1206228103. The next prime is 1206228119. The reversal of 1206228113 is 3118226021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1057095169 + 149132944 = 32513^2 + 12212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206228113 - 2⁴ = 1206228097 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11379458 + ... + 11379563.

It is an arithmetic number, because the mean of its divisors is an integer number (307246797).

Almost surely, 2^1206228113 is an apocalyptic number.

It is an amenable number.

1206228113 is a deficient number, since it is larger than the sum of its proper divisors (22759075).

1206228113 is an equidigital number, since it uses as much as digits as its factorization.

1206228113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22759074.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1206228113 is about 34730.7948800485. The cubic root of 1206228113 is about 1064.4938304559.

The spelling of 1206228113 in words is "one billion, two hundred six million, two hundred twenty-eight thousand, one hundred thirteen".