1154125135 has 4 divisors (see below), whose sum is σ = 1384950168. Its totient is φ = 923300104.

The previous prime is 1154125099. The next prime is 1154125157. The reversal of 1154125135 is 5315214511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1154125135 - 2⁹ = 1154124623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115412509 + ... + 115412518.

It is an arithmetic number, because the mean of its divisors is an integer number (346237542).

Almost surely, 2^1154125135 is an apocalyptic number.

1154125135 is a deficient number, since it is larger than the sum of its proper divisors (230825033).

1154125135 is an equidigital number, since it uses as much as digits as its factorization.

1154125135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230825032.

The product of its digits is 3000, while the sum is 28.

The square root of 1154125135 is about 33972.4172675422. The cubic root of 1154125135 is about 1048.9407715795.

Adding to 1154125135 its reverse (5315214511), we get a palindrome (6469339646).

The spelling of 1154125135 in words is "one billion, one hundred fifty-four million, one hundred twenty-five thousand, one hundred thirty-five".