1304057 has 4 divisors (see below), whose sum is σ = 1322496. Its totient is φ = 1285620.

The previous prime is 1304033. The next prime is 1304071. The reversal of 1304057 is 7504031.

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.

It is a cyclic number.

It is not a de Polignac number, because 1304057 - 2¹⁶ = 1238521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304357) 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, 9113 + ... + 9254.

It is an arithmetic number, because the mean of its divisors is an integer number (330624).

2^1304057 is an apocalyptic number.

It is an amenable number.

1304057 is a deficient number, since it is larger than the sum of its proper divisors (18439).

1304057 is an equidigital number, since it uses as much as digits as its factorization.

1304057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18438.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1304057 is about 1141.9531514033. The cubic root of 1304057 is about 109.2527032515.

Adding to 1304057 its reverse (7504031), we get a palindrome (8808088).

The spelling of 1304057 in words is "one million, three hundred four thousand, fifty-seven".