1201334144 has 32 divisors (see below), whose sum is σ = 2407161240. Its totient is φ = 597184000.

The previous prime is 1201334117. The next prime is 1201334159. The reversal of 1201334144 is 4414331021.

It is a tau number, because it is divible by the number of its divisors (32).

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, 4982 + ... + 49269.

Almost surely, 2^1201334144 is an apocalyptic number.

It is an amenable number.

1201334144 is an abundant number, since it is smaller than the sum of its proper divisors (1205827096).

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

1201334144 is an equidigital number, since it uses as much as digits as its factorization.

1201334144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54438 (or 54426 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1201334144 is about 34660.2675119509. The cubic root of 1201334144 is about 1063.0522398688.

Adding to 1201334144 its reverse (4414331021), we get a palindrome (5615665165).

The spelling of 1201334144 in words is "one billion, two hundred one million, three hundred thirty-four thousand, one hundred forty-four".