1135123115 has 16 divisors (see below), whose sum is σ = 1557617088. Its totient is φ = 777931776.

The previous prime is 1135123069. The next prime is 1135123141. The reversal of 1135123115 is 5113215311.

It is a cyclic number.

It is not a de Polignac number, because 1135123115 - 2⁶ = 1135123051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61619 + ... + 77891.

It is an arithmetic number, because the mean of its divisors is an integer number (97351068).

Almost surely, 2^1135123115 is an apocalyptic number.

1135123115 is a deficient number, since it is larger than the sum of its proper divisors (422493973).

1135123115 is a wasteful number, since it uses less digits than its factorization.

1135123115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18278.

The product of its digits is 450, while the sum is 23.

The square root of 1135123115 is about 33691.5881934942. The cubic root of 1135123115 is about 1043.1521459826.

Adding to 1135123115 its reverse (5113215311), we get a palindrome (6248338426).

The spelling of 1135123115 in words is "one billion, one hundred thirty-five million, one hundred twenty-three thousand, one hundred fifteen".