1135201253 has 8 divisors (see below), whose sum is σ = 1140733272. Its totient is φ = 1129683456.

The previous prime is 1135201219. The next prime is 1135201267. The reversal of 1135201253 is 3521025311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 830419489 + 304781764 = 28817^2 + 17458^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1135201253 - 2³⁰ = 61459429 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 (1135201553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178301 + ... + 184557.

It is an arithmetic number, because the mean of its divisors is an integer number (142591659).

Almost surely, 2^1135201253 is an apocalyptic number.

It is an amenable number.

1135201253 is a deficient number, since it is larger than the sum of its proper divisors (5532019).

1135201253 is an equidigital number, since it uses as much as digits as its factorization.

1135201253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1135201253 is about 33692.7477804942. The cubic root of 1135201253 is about 1043.1760811109.

Adding to 1135201253 its reverse (3521025311), we get a palindrome (4656226564).

The spelling of 1135201253 in words is "one billion, one hundred thirty-five million, two hundred one thousand, two hundred fifty-three".