1125522 has 32 divisors (see below), whose sum is σ = 2635200. Its totient is φ = 355104.

The previous prime is 1125499. The next prime is 1125529. The reversal of 1125522 is 2255211.

1125522 is a `hidden beast` number, since 112 + 552 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1125495 and 1125504.

It is not an unprimeable number, because it can be changed into a prime (1125529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (82350).

2^1125522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317600).

1125522 is an abundant number, since it is smaller than the sum of its proper divisors (1509678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125522 is a wasteful number, since it uses less digits than its factorization.

1125522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1121 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 1125522 is about 1060.9062164018. The cubic root of 1125522 is about 104.0202746468.

The spelling of 1125522 in words is "one million, one hundred twenty-five thousand, five hundred twenty-two".