1206120117 has 8 divisors (see below), whose sum is σ = 1651624096. Its totient is φ = 782348112.

The previous prime is 1206120101. The next prime is 1206120119. The reversal of 1206120117 is 7110216021.

It is a happy number.

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

It is not a de Polignac number, because 1206120117 - 2⁴ = 1206120101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1206120093 and 1206120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206120119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5432863 + ... + 5433084.

It is an arithmetic number, because the mean of its divisors is an integer number (206453012).

Almost surely, 2^1206120117 is an apocalyptic number.

It is an amenable number.

1206120117 is a deficient number, since it is larger than the sum of its proper divisors (445503979).

1206120117 is a wasteful number, since it uses less digits than its factorization.

1206120117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10865987.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 1206120117 is about 34729.2400867050. The cubic root of 1206120117 is about 1064.4620607584.

Adding to 1206120117 its reverse (7110216021), we get a palindrome (8316336138).

The spelling of 1206120117 in words is "one billion, two hundred six million, one hundred twenty thousand, one hundred seventeen".