1206534055 has 4 divisors (see below), whose sum is σ = 1447840872. Its totient is φ = 965227240.

The previous prime is 1206534041. The next prime is 1206534059. The reversal of 1206534055 is 5504356021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1206534055 - 2⁹ = 1206533543 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206534059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120653401 + ... + 120653410.

It is an arithmetic number, because the mean of its divisors is an integer number (361960218).

Almost surely, 2^1206534055 is an apocalyptic number.

1206534055 is a deficient number, since it is larger than the sum of its proper divisors (241306817).

1206534055 is an equidigital number, since it uses as much as digits as its factorization.

1206534055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241306816.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1206534055 is about 34735.1990781685. The cubic root of 1206534055 is about 1064.5838205768.

The spelling of 1206534055 in words is "one billion, two hundred six million, five hundred thirty-four thousand, fifty-five".