1320469 has 4 divisors (see below), whose sum is σ = 1328544. Its totient is φ = 1312396.

The previous prime is 1320437. The next prime is 1320533. The reversal of 1320469 is 9640231.

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 1320469 - 2⁵ = 1320437 is a prime.

It is a super-2 number, since 2×1320469² = 3487276759922, 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 (1320409) 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, 3787 + ... + 4120.

It is an arithmetic number, because the mean of its divisors is an integer number (332136).

2^1320469 is an apocalyptic number.

It is an amenable number.

1320469 is a deficient number, since it is larger than the sum of its proper divisors (8075).

1320469 is an equidigital number, since it uses as much as digits as its factorization.

1320469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1320469 is about 1149.1166172326. The cubic root of 1320469 is about 109.7091212995.

The spelling of 1320469 in words is "one million, three hundred twenty thousand, four hundred sixty-nine".