1206343136 has 24 divisors (see below), whose sum is σ = 2499988680. Its totient is φ = 571425408.

The previous prime is 1206343133. The next prime is 1206343147. The reversal of 1206343136 is 6313436021.

It is a junction number, because it is equal to n+sod(n) for n = 1206343099 and 1206343108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206343133) 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 3 ways as a sum of consecutive naturals, for example, 991451 + ... + 992666.

It is an arithmetic number, because the mean of its divisors is an integer number (104166195).

Almost surely, 2^1206343136 is an apocalyptic number.

1206343136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1206343136 is an abundant number, since it is smaller than the sum of its proper divisors (1293645544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1206343136 is a wasteful number, since it uses less digits than its factorization.

1206343136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984146 (or 1984138 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 1206343136 is about 34732.4507629393. The cubic root of 1206343136 is about 1064.5276652341.

Adding to 1206343136 its reverse (6313436021), we get a palindrome (7519779157).

The spelling of 1206343136 in words is "one billion, two hundred six million, three hundred forty-three thousand, one hundred thirty-six".