1206261123560 has 64 divisors (see below), whose sum is σ = 2881745164800. Its totient is φ = 452856779776.

The previous prime is 1206261123547. The next prime is 1206261123671. The reversal of 1206261123560 is 653211626021.

It is a self number, because there is not a number n which added to its sum of digits gives 1206261123560.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2226512 + ... + 2714751.

It is an arithmetic number, because the mean of its divisors is an integer number (45027268200).

Almost surely, 2^{1206261123560} is an apocalyptic number.

1206261123560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206261123560 is an abundant number, since it is smaller than the sum of its proper divisors (1675484041240).

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

1206261123560 is a wasteful number, since it uses less digits than its factorization.

1206261123560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941650 (or 4941646 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 1206261123560 its reverse (653211626021), we get a palindrome (1859472749581).

The spelling of 1206261123560 in words is "one trillion, two hundred six billion, two hundred sixty-one million, one hundred twenty-three thousand, five hundred sixty".