1344023121 has 32 divisors (see below), whose sum is σ = 2158709760. Its totient is φ = 726618816.

The previous prime is 1344023117. The next prime is 1344023137. The reversal of 1344023121 is 1213204431.

It is not a de Polignac number, because 1344023121 - 2² = 1344023117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1344023141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376075 + ... + 379631.

It is an arithmetic number, because the mean of its divisors is an integer number (67459680).

Almost surely, 2^1344023121 is an apocalyptic number.

It is an amenable number.

1344023121 is a deficient number, since it is larger than the sum of its proper divisors (814686639).

1344023121 is a wasteful number, since it uses less digits than its factorization.

1344023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1344023121 is about 36660.9208967805. The cubic root of 1344023121 is about 1103.5759987985.

Adding to 1344023121 its reverse (1213204431), we get a palindrome (2557227552).

The spelling of 1344023121 in words is "one billion, three hundred forty-four million, twenty-three thousand, one hundred twenty-one".