1320953 has 4 divisors (see below), whose sum is σ = 1326720. Its totient is φ = 1315188.

The previous prime is 1320947. The next prime is 1320961. The reversal of 1320953 is 3590231.

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 1320953 - 2⁶ = 1320889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320923) 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, 2525 + ... + 3002.

It is an arithmetic number, because the mean of its divisors is an integer number (331680).

2^1320953 is an apocalyptic number.

It is an amenable number.

1320953 is a deficient number, since it is larger than the sum of its proper divisors (5767).

1320953 is an equidigital number, since it uses as much as digits as its factorization.

1320953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 1320953 is about 1149.3271944925. The cubic root of 1320953 is about 109.7225237922.

The spelling of 1320953 in words is "one million, three hundred twenty thousand, nine hundred fifty-three".