1145125133 has 8 divisors (see below), whose sum is σ = 1161832896. Its totient is φ = 1128433600.

The previous prime is 1145125109. The next prime is 1145125139. The reversal of 1145125133 is 3315215411.

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 1145125133 - 2¹⁰ = 1145124109 is a prime.

It is a super-2 number, since 2×1145125133² = 2622623140456535378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145125139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267893 + ... + 272133.

It is an arithmetic number, because the mean of its divisors is an integer number (145229112).

Almost surely, 2^1145125133 is an apocalyptic number.

It is an amenable number.

1145125133 is a deficient number, since it is larger than the sum of its proper divisors (16707763).

1145125133 is an equidigital number, since it uses as much as digits as its factorization.

1145125133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8115.

The product of its digits is 1800, while the sum is 26.

The square root of 1145125133 is about 33839.6975902563. The cubic root of 1145125133 is about 1046.2070659312.

The spelling of 1145125133 in words is "one billion, one hundred forty-five million, one hundred twenty-five thousand, one hundred thirty-three".