1302641 has 4 divisors (see below), whose sum is σ = 1315392. Its totient is φ = 1289892.

The previous prime is 1302617. The next prime is 1302647. The reversal of 1302641 is 1462031.

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 an emirpimes, since its reverse is a distinct semiprime: 1462031 = 19 ⋅76949.

It is a cyclic number.

It is not a de Polignac number, because 1302641 - 2⁶ = 1302577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302647) 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, 6221 + ... + 6426.

It is an arithmetic number, because the mean of its divisors is an integer number (328848).

2^1302641 is an apocalyptic number.

It is an amenable number.

1302641 is a deficient number, since it is larger than the sum of its proper divisors (12751).

1302641 is a wasteful number, since it uses less digits than its factorization.

1302641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12750.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1302641 is about 1141.3329926012. The cubic root of 1302641 is about 109.2131452016.

Adding to 1302641 its reverse (1462031), we get a palindrome (2764672).

The spelling of 1302641 in words is "one million, three hundred two thousand, six hundred forty-one".