1344625121 has 6 divisors (see below), whose sum is σ = 1564155810. Its totient is φ = 1152535776.

The previous prime is 1344625111. The next prime is 1344625123. The reversal of 1344625121 is 1215264431.

It can be written as a sum of positive squares in only one way, i.e., 1313265121 + 31360000 = 36239^2 + 5600^2 .

It is not a de Polignac number, because 1344625121 - 2¹⁸ = 1344362977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344625123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13720616 + ... + 13720713.

It is an arithmetic number, because the mean of its divisors is an integer number (260692635).

Almost surely, 2^1344625121 is an apocalyptic number.

It is an amenable number.

1344625121 is a deficient number, since it is larger than the sum of its proper divisors (219530689).

1344625121 is an equidigital number, since it uses as much as digits as its factorization.

1344625121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27441343 (or 27441336 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1344625121 is about 36669.1303551093. The cubic root of 1344625121 is about 1103.7407413975.

Adding to 1344625121 its reverse (1215264431), we get a palindrome (2559889552).

The spelling of 1344625121 in words is "one billion, three hundred forty-four million, six hundred twenty-five thousand, one hundred twenty-one".