1353120053 has 4 divisors (see below), whose sum is σ = 1353932460. Its totient is φ = 1352307648.

The previous prime is 1353120047. The next prime is 1353120071. The reversal of 1353120053 is 3500213531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1070140369 + 282979684 = 32713^2 + 16822^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353120053 - 2¹² = 1353115957 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 (1353120653) 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, 403700 + ... + 407037.

It is an arithmetic number, because the mean of its divisors is an integer number (338483115).

Almost surely, 2^1353120053 is an apocalyptic number.

It is an amenable number.

1353120053 is a deficient number, since it is larger than the sum of its proper divisors (812407).

1353120053 is an equidigital number, since it uses as much as digits as its factorization.

1353120053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812406.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 1353120053 is about 36784.7801814827. The cubic root of 1353120053 is about 1106.0602295778.

Adding to 1353120053 its reverse (3500213531), we get a palindrome (4853333584).

The spelling of 1353120053 in words is "one billion, three hundred fifty-three million, one hundred twenty thousand, fifty-three".