1200531055 has 16 divisors (see below), whose sum is σ = 1518220800. Its totient is φ = 908820000.

The previous prime is 1200531053. The next prime is 1200531071. The reversal of 1200531055 is 5501350021.

It is not a de Polignac number, because 1200531055 - 2¹ = 1200531053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200531053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80430 + ... + 94180.

It is an arithmetic number, because the mean of its divisors is an integer number (94888800).

Almost surely, 2^1200531055 is an apocalyptic number.

1200531055 is a deficient number, since it is larger than the sum of its proper divisors (317689745).

1200531055 is a wasteful number, since it uses less digits than its factorization.

1200531055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14694.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 1200531055 is about 34648.6804222037. The cubic root of 1200531055 is about 1062.8153044381.

Adding to 1200531055 its reverse (5501350021), we get a palindrome (6701881076).

The spelling of 1200531055 in words is "one billion, two hundred million, five hundred thirty-one thousand, fifty-five".