1301401044 has 36 divisors (see below), whose sum is σ = 3290804244. Its totient is φ = 433648512.

The previous prime is 1301401043. The next prime is 1301401093. The reversal of 1301401044 is 4401041031.

It can be written as a sum of positive squares in 2 ways, for example, as 1296864144 + 4536900 = 36012^2 + 2130^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301401043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152704 + ... + 161000.

It is an arithmetic number, because the mean of its divisors is an integer number (91411229).

Almost surely, 2^1301401044 is an apocalyptic number.

It is an amenable number.

1301401044 is an abundant number, since it is smaller than the sum of its proper divisors (1989403200).

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

1301401044 is a wasteful number, since it uses less digits than its factorization.

1301401044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12664 (or 12659 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1301401044 is about 36074.9365072206. The cubic root of 1301401044 is about 1091.7848165139.

Adding to 1301401044 its reverse (4401041031), we get a palindrome (5702442075).

The spelling of 1301401044 in words is "one billion, three hundred one million, four hundred one thousand, forty-four".