1206123315 has 16 divisors (see below), whose sum is σ = 1948906656. Its totient is φ = 636896000.

The previous prime is 1206123271. The next prime is 1206123329. The reversal of 1206123315 is 5133216021.

It is not a de Polignac number, because 1206123315 - 2⁶ = 1206123251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396546 + ... + 399575.

It is an arithmetic number, because the mean of its divisors is an integer number (121806666).

Almost surely, 2^1206123315 is an apocalyptic number.

1206123315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1206123315 is a deficient number, since it is larger than the sum of its proper divisors (742783341).

1206123315 is a wasteful number, since it uses less digits than its factorization.

1206123315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796230.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1206123315 is about 34729.2861285688. The cubic root of 1206123315 is about 1064.4630015565.

Adding to 1206123315 its reverse (5133216021), we get a palindrome (6339339336).

The spelling of 1206123315 in words is "one billion, two hundred six million, one hundred twenty-three thousand, three hundred fifteen".