1135221301 has 4 divisors (see below), whose sum is σ = 1154462400. Its totient is φ = 1115980204.

The previous prime is 1135221287. The next prime is 1135221323. The reversal of 1135221301 is 1031225311.

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 1135221301 - 2¹³ = 1135213109 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 (1135221341) 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, 9620461 + ... + 9620578.

It is an arithmetic number, because the mean of its divisors is an integer number (288615600).

Almost surely, 2^1135221301 is an apocalyptic number.

It is an amenable number.

1135221301 is a deficient number, since it is larger than the sum of its proper divisors (19241099).

1135221301 is an equidigital number, since it uses as much as digits as its factorization.

1135221301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19241098.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1135221301 is about 33693.0452912764. The cubic root of 1135221301 is about 1043.1822220106.

Adding to 1135221301 its reverse (1031225311), we get a palindrome (2166446612).

The spelling of 1135221301 in words is "one billion, one hundred thirty-five million, two hundred twenty-one thousand, three hundred one".