1125495165 has 16 divisors (see below), whose sum is σ = 1801296576. Its totient is φ = 600096000.

The previous prime is 1125495127. The next prime is 1125495167. The reversal of 1125495165 is 5615945211.

It is not a de Polignac number, because 1125495165 - 2⁷ = 1125495037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125495167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60190 + ... + 76640.

It is an arithmetic number, because the mean of its divisors is an integer number (112581036).

Almost surely, 2^1125495165 is an apocalyptic number.

1125495165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125495165 is a deficient number, since it is larger than the sum of its proper divisors (675801411).

1125495165 is a wasteful number, since it uses less digits than its factorization.

1125495165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21020.

The product of its digits is 54000, while the sum is 39.

The square root of 1125495165 is about 33548.4003344422. The cubic root of 1125495165 is about 1040.1944794709.

The spelling of 1125495165 in words is "one billion, one hundred twenty-five million, four hundred ninety-five thousand, one hundred sixty-five".