1320341253 has 16 divisors (see below), whose sum is σ = 2194853376. Its totient is φ = 685891440.

The previous prime is 1320341221. The next prime is 1320341257. The reversal of 1320341253 is 3521430231.

It is not a de Polignac number, because 1320341253 - 2⁵ = 1320341221 is a prime.

It is a super-2 number, since 2×1320341253² = 3486602048747220018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320341257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2857651 + ... + 2858112.

It is an arithmetic number, because the mean of its divisors is an integer number (137178336).

Almost surely, 2^1320341253 is an apocalyptic number.

It is an amenable number.

1320341253 is a deficient number, since it is larger than the sum of its proper divisors (874512123).

1320341253 is a wasteful number, since it uses less digits than its factorization.

1320341253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715784.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1320341253 is about 36336.5002855256. The cubic root of 1320341253 is about 1097.0558329824.

Adding to 1320341253 its reverse (3521430231), we get a palindrome (4841771484).

The spelling of 1320341253 in words is "one billion, three hundred twenty million, three hundred forty-one thousand, two hundred fifty-three".