1201506055 has 8 divisors (see below), whose sum is σ = 1449774144. Its totient is φ = 955893600.

The previous prime is 1201506037. The next prime is 1201506067. The reversal of 1201506055 is 5506051021.

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

It is not a de Polignac number, because 1201506055 - 2⁷ = 1201505927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662911 + ... + 664720.

It is an arithmetic number, because the mean of its divisors is an integer number (181221768).

Almost surely, 2^1201506055 is an apocalyptic number.

1201506055 is a deficient number, since it is larger than the sum of its proper divisors (248268089).

1201506055 is a wasteful number, since it uses less digits than its factorization.

1201506055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327817.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1201506055 is about 34662.7473665894. The cubic root of 1201506055 is about 1063.1029450669.

Adding to 1201506055 its reverse (5506051021), we get a palindrome (6707557076).

The spelling of 1201506055 in words is "one billion, two hundred one million, five hundred six thousand, fifty-five".