1304261 has 8 divisors (see below), whose sum is σ = 1555584. Its totient is φ = 1069200.

The previous prime is 1304249. The next prime is 1304267. The reversal of 1304261 is 1624031.

1304261 = T₃₈ + T₃₉ + ... + T₁₉₈.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304261 is a prime.

It is a super-2 number, since 2×1304261² = 3402193512242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3890 + ... + 4211.

It is an arithmetic number, because the mean of its divisors is an integer number (194448).

2^1304261 is an apocalyptic number.

It is an amenable number.

1304261 is a deficient number, since it is larger than the sum of its proper divisors (251323).

1304261 is an equidigital number, since it uses as much as digits as its factorization.

1304261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131.

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

The square root of 1304261 is about 1142.0424685624. The cubic root of 1304261 is about 109.2583999322.

Adding to 1304261 its reverse (1624031), we get a palindrome (2928292).

The spelling of 1304261 in words is "one million, three hundred four thousand, two hundred sixty-one".