1206728614143 has 48 divisors (see below), whose sum is σ = 1931315917440. Its totient is φ = 721325606400.

The previous prime is 1206728614141. The next prime is 1206728614229. The reversal of 1206728614143 is 3414168276021.

1206728614143 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 7 + 28 + 614 + 1 + 4 + 3 = 666.

It is a Cunningham number, because it is equal to 1098512²-1.

It is not a de Polignac number, because 1206728614143 - 2¹ = 1206728614141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206728614141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 549258 + ... + 1647768.

It is an arithmetic number, because the mean of its divisors is an integer number (40235748280).

Almost surely, 2^{1206728614143} is an apocalyptic number.

1206728614143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1206728614143 is a deficient number, since it is larger than the sum of its proper divisors (724587303297).

1206728614143 is a wasteful number, since it uses less digits than its factorization.

1206728614143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098800 (or 1098797 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 1206728614143 in words is "one trillion, two hundred six billion, seven hundred twenty-eight million, six hundred fourteen thousand, one hundred forty-three".