1201207055 has 4 divisors (see below), whose sum is σ = 1441448472. Its totient is φ = 960965640.

The previous prime is 1201207027. The next prime is 1201207061. The reversal of 1201207055 is 5507021021.

It is a happy number.

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

It is not a de Polignac number, because 1201207055 - 2¹⁰ = 1201206031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201207055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120120701 + ... + 120120710.

It is an arithmetic number, because the mean of its divisors is an integer number (360362118).

Almost surely, 2^1201207055 is an apocalyptic number.

1201207055 is a deficient number, since it is larger than the sum of its proper divisors (240241417).

1201207055 is an equidigital number, since it uses as much as digits as its factorization.

1201207055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240241416.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 1201207055 is about 34658.4341106173. The cubic root of 1201207055 is about 1063.0147518224.

Adding to 1201207055 its reverse (5507021021), we get a palindrome (6708228076).

The spelling of 1201207055 in words is "one billion, two hundred one million, two hundred seven thousand, fifty-five".