1353120247 has 4 divisors (see below), whose sum is σ = 1355899216. Its totient is φ = 1350341280.

The previous prime is 1353120227. The next prime is 1353120257. The reversal of 1353120247 is 7420213531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1353120247 - 2²⁷ = 1218902519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353120227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388754 + ... + 1389727.

It is an arithmetic number, because the mean of its divisors is an integer number (338974804).

Almost surely, 2^1353120247 is an apocalyptic number.

1353120247 is a deficient number, since it is larger than the sum of its proper divisors (2778969).

1353120247 is an equidigital number, since it uses as much as digits as its factorization.

1353120247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778968.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1353120247 is about 36784.7828184427. The cubic root of 1353120247 is about 1106.0602824373.

Adding to 1353120247 its reverse (7420213531), we get a palindrome (8773333778).

The spelling of 1353120247 in words is "one billion, three hundred fifty-three million, one hundred twenty thousand, two hundred forty-seven".