1125075 has 24 divisors (see below), whose sum is σ = 2126848. Its totient is φ = 514080.

The previous prime is 1125053. The next prime is 1125097. The reversal of 1125075 is 5705211.

It is an interprime number because it is at equal distance from previous prime (1125053) and next prime (1125097).

It is not a de Polignac number, because 1125075 - 2¹⁰ = 1124051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

1125075 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547 + ... + 1596.

2^1125075 is an apocalyptic number.

1125075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125075 is a deficient number, since it is larger than the sum of its proper divisors (1001773).

1125075 is a wasteful number, since it uses less digits than its factorization.

1125075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 1125075 is about 1060.6955265296. The cubic root of 1125075 is about 104.0065023055.

It can be divided in two parts, 11250 and 75, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 1125075 in words is "one million, one hundred twenty-five thousand, seventy-five".