1125765 has 32 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 578880.

The previous prime is 1125763. The next prime is 1125767. The reversal of 1125765 is 5675211.

It is an interprime number because it is at equal distance from previous prime (1125763) and next prime (1125767).

It is not a de Polignac number, because 1125765 - 2¹ = 1125763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Together with 947835 it forms an amicable pair .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4051 + ... + 4319.

It is an arithmetic number, because the mean of its divisors is an integer number (64800).

2^1125765 is an apocalyptic number.

1125765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125765 is a deficient number, since it is larger than the sum of its proper divisors (947835).

1125765 is a wasteful number, since it uses less digits than its factorization.

1125765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 308 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 1125765 is about 1061.0207349529. The cubic root of 1125765 is about 104.0277600944.

The spelling of 1125765 in words is "one million, one hundred twenty-five thousand, seven hundred sixty-five".