1125135 has 24 divisors (see below), whose sum is σ = 2128464. Its totient is φ = 545280.

The previous prime is 1125127. The next prime is 1125139. The reversal of 1125135 is 5315211.

It is not a de Polignac number, because 1125135 - 2³ = 1125127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 642 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (88686).

2^1125135 is an apocalyptic number.

1125135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125135 is a deficient number, since it is larger than the sum of its proper divisors (1003329).

1125135 is a wasteful number, since it uses less digits than its factorization.

1125135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295 (or 2292 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 1125135 is about 1060.7238094811. The cubic root of 1125135 is about 104.0083511538.

The spelling of 1125135 in words is "one million, one hundred twenty-five thousand, one hundred thirty-five".