1125304511 has 8 divisors (see below), whose sum is σ = 1202045184. Its totient is φ = 1049735680.

The previous prime is 1125304501. The next prime is 1125304513. The reversal of 1125304511 is 1154035211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125304511 - 2⁶ = 1125304447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125304513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290975 + ... + 294816.

It is an arithmetic number, because the mean of its divisors is an integer number (150255648).

Almost surely, 2^1125304511 is an apocalyptic number.

1125304511 is a deficient number, since it is larger than the sum of its proper divisors (76740673).

1125304511 is a wasteful number, since it uses less digits than its factorization.

1125304511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585921.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1125304511 is about 33545.5587373351. The cubic root of 1125304511 is about 1040.1357413428.

Adding to 1125304511 its reverse (1154035211), we get a palindrome (2279339722).

The spelling of 1125304511 in words is "one billion, one hundred twenty-five million, three hundred four thousand, five hundred eleven".