1344021017 has 4 divisors (see below), whose sum is σ = 1344094416. Its totient is φ = 1343947620.

The previous prime is 1344021013. The next prime is 1344021023. The reversal of 1344021017 is 7101204431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7101204431 = 197 ⋅36046723.

It is a cyclic number.

It is not a de Polignac number, because 1344021017 - 2² = 1344021013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1344020983 and 1344021001.

It is not an unprimeable number, because it can be changed into a prime (1344021013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15842 + ... + 54212.

It is an arithmetic number, because the mean of its divisors is an integer number (336023604).

Almost surely, 2^1344021017 is an apocalyptic number.

It is an amenable number.

1344021017 is a deficient number, since it is larger than the sum of its proper divisors (73399).

1344021017 is an equidigital number, since it uses as much as digits as its factorization.

1344021017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73398.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1344021017 is about 36660.8922013636. The cubic root of 1344021017 is about 1103.5754229341.

Adding to 1344021017 its reverse (7101204431), we get a palindrome (8445225448).

The spelling of 1344021017 in words is "one billion, three hundred forty-four million, twenty-one thousand, seventeen".