1201206055 has 8 divisors (see below), whose sum is σ = 1647368352. Its totient is φ = 823684128.

The previous prime is 1201206031. The next prime is 1201206091. The reversal of 1201206055 is 5506021021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201206055 - 2⁹ = 1201205543 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 17160052 + ... + 17160121.

It is an arithmetic number, because the mean of its divisors is an integer number (205921044).

Almost surely, 2^1201206055 is an apocalyptic number.

1201206055 is a deficient number, since it is larger than the sum of its proper divisors (446162297).

1201206055 is an equidigital number, since it uses as much as digits as its factorization.

1201206055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34320185.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1201206055 is about 34658.4196841114. The cubic root of 1201206055 is about 1063.0144568372.

Adding to 1201206055 its reverse (5506021021), we get a palindrome (6707227076).

The spelling of 1201206055 in words is "one billion, two hundred one million, two hundred six thousand, fifty-five".