1125655 has 24 divisors (see below), whose sum is σ = 1547280. Its totient is φ = 783360.

The previous prime is 1125653. The next prime is 1125679. The reversal of 1125655 is 5565211.

It is not a de Polignac number, because 1125655 - 2¹ = 1125653 is a prime.

1125655 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125653) 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, 27435 + ... + 27475.

It is an arithmetic number, because the mean of its divisors is an integer number (64470).

2^1125655 is an apocalyptic number.

1125655 is a deficient number, since it is larger than the sum of its proper divisors (421625).

1125655 is a wasteful number, since it uses less digits than its factorization.

1125655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 82 counting only the distinct ones).

The product of its digits is 1500, while the sum is 25.

The square root of 1125655 is about 1060.9688968108. The cubic root of 1125655 is about 104.0243717537.

It can be divided in two parts, 11256 and 55, that added together give a palindrome (11311).

The spelling of 1125655 in words is "one million, one hundred twenty-five thousand, six hundred fifty-five".