1301345 has 4 divisors (see below), whose sum is σ = 1561620. Its totient is φ = 1041072.

The previous prime is 1301323. The next prime is 1301347. The reversal of 1301345 is 5431031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5431031 = 431 ⋅12601.

It can be written as a sum of positive squares in 2 ways, for example, as 1014049 + 287296 = 1007^2 + 536^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301345 - 2⁶ = 1301281 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1301347) 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, 130130 + ... + 130139.

It is an arithmetic number, because the mean of its divisors is an integer number (390405).

2^1301345 is an apocalyptic number.

It is an amenable number.

1301345 is a deficient number, since it is larger than the sum of its proper divisors (260275).

1301345 is an equidigital number, since it uses as much as digits as its factorization.

1301345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260274.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1301345 is about 1140.7650941364. The cubic root of 1301345 is about 109.1769143952.

Adding to 1301345 its reverse (5431031), we get a palindrome (6732376).

It can be divided in two parts, 13013 and 45, that multiplied together give a palindrome (585585).

The spelling of 1301345 in words is "one million, three hundred one thousand, three hundred forty-five".