1135260321 has 16 divisors (see below), whose sum is σ = 1630970880. Its totient is φ = 698256000.

The previous prime is 1135260283. The next prime is 1135260341. The reversal of 1135260321 is 1230625311.

It is not a de Polignac number, because 1135260321 - 2⁹ = 1135259809 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1135260291 and 1135260300.

It is not an unprimeable number, because it can be changed into a prime (1135260341) 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, 80821 + ... + 93821.

It is an arithmetic number, because the mean of its divisors is an integer number (101935680).

Almost surely, 2^1135260321 is an apocalyptic number.

It is an amenable number.

1135260321 is a deficient number, since it is larger than the sum of its proper divisors (495710559).

1135260321 is a wasteful number, since it uses less digits than its factorization.

1135260321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15256.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1135260321 is about 33693.6243375509. The cubic root of 1135260321 is about 1043.1941740132.

Adding to 1135260321 its reverse (1230625311), we get a palindrome (2365885632).

The spelling of 1135260321 in words is "one billion, one hundred thirty-five million, two hundred sixty thousand, three hundred twenty-one".