1154522113 has 2 divisors, whose sum is σ = 1154522114. Its totient is φ = 1154522112.

The previous prime is 1154522111. The next prime is 1154522123. The reversal of 1154522113 is 3112254511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1015824384 + 138697729 = 31872^2 + 11777^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154522113 - 2¹ = 1154522111 is a prime.

Together with 1154522111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1154522111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577261056 + 577261057.

It is an arithmetic number, because the mean of its divisors is an integer number (577261057).

Almost surely, 2^1154522113 is an apocalyptic number.

It is an amenable number.

1154522113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154522113 is an equidigital number, since it uses as much as digits as its factorization.

1154522113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 25.

The square root of 1154522113 is about 33978.2594168683. The cubic root of 1154522113 is about 1049.0610238997.

Adding to 1154522113 its reverse (3112254511), we get a palindrome (4266776624).

The spelling of 1154522113 in words is "one billion, one hundred fifty-four million, five hundred twenty-two thousand, one hundred thirteen".