1001201344 has 56 divisors (see below), whose sum is σ = 2334115728. Its totient is φ = 420080640.

The previous prime is 1001201329. The next prime is 1001201347. The reversal of 1001201344 is 4431021001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1001201347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45547 + ... + 63850.

It is an arithmetic number, because the mean of its divisors is an integer number (41680638).

Almost surely, 2^1001201344 is an apocalyptic number.

It is an amenable number.

1001201344 is an abundant number, since it is smaller than the sum of its proper divisors (1332914384).

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

1001201344 is a wasteful number, since it uses less digits than its factorization.

1001201344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109433 (or 109423 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1001201344 is about 31641.7658167176. The cubic root of 1001201344 is about 1000.4002877483.

Adding to 1001201344 its reverse (4431021001), we get a palindrome (5432222345).

The spelling of 1001201344 in words is "one billion, one million, two hundred one thousand, three hundred forty-four".