1201134444 has 24 divisors (see below), whose sum is σ = 2862279168. Its totient is φ = 391859280.

The previous prime is 1201134427. The next prime is 1201134479. The reversal of 1201134444 is 4444311021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1064272 + ... + 1065399.

It is an arithmetic number, because the mean of its divisors is an integer number (119261632).

Almost surely, 2^1201134444 is an apocalyptic number.

It is an amenable number.

1201134444 is an abundant number, since it is smaller than the sum of its proper divisors (1661144724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201134444 is a wasteful number, since it uses less digits than its factorization.

1201134444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129725 (or 2129723 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1201134444 is about 34657.3865719849. The cubic root of 1201134444 is about 1062.9933322236.

Adding to 1201134444 its reverse (4444311021), we get a palindrome (5645445465).

The spelling of 1201134444 in words is "one billion, two hundred one million, one hundred thirty-four thousand, four hundred forty-four".