1125875 has 8 divisors (see below), whose sum is σ = 1405248. Its totient is φ = 900600.

The previous prime is 1125871. The next prime is 1125899. The reversal of 1125875 is 5785211.

It is not a de Polignac number, because 1125875 - 2² = 1125871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125871) 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, 4379 + ... + 4628.

It is an arithmetic number, because the mean of its divisors is an integer number (175656).

2^1125875 is an apocalyptic number.

1125875 is a deficient number, since it is larger than the sum of its proper divisors (279373).

1125875 is an frugal number, since it uses more digits than its factorization.

1125875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9022 (or 9012 counting only the distinct ones).

The product of its digits is 2800, while the sum is 29.

The square root of 1125875 is about 1061.0725705624. The cubic root of 1125875 is about 104.0311482145.

It can be divided in two parts, 11258 and 75, that multiplied together give a triangular number (844350 = T₁₂₉₉).

The spelling of 1125875 in words is "one million, one hundred twenty-five thousand, eight hundred seventy-five".