1125536 has 24 divisors (see below), whose sum is σ = 2347380. Its totient is φ = 529408.

The previous prime is 1125529. The next prime is 1125539. The reversal of 1125536 is 6355211.

It can be written as a sum of positive squares in 2 ways, for example, as 1123600 + 1936 = 1060^2 + 44^2 .

It is a super-3 number, since 3×1125536³ = 4277592659333971968, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1125539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491 + ... + 1578.

2^1125536 is an apocalyptic number.

1125536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1125536 is an abundant number, since it is smaller than the sum of its proper divisors (1221844).

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

1125536 is a wasteful number, since it uses less digits than its factorization.

1125536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096 (or 2088 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 1125536 is about 1060.9128145140. The cubic root of 1125536 is about 104.0207059364.

It can be divided in two parts, 1125 and 536, that added together give a palindrome (1661).

The spelling of 1125536 in words is "one million, one hundred twenty-five thousand, five hundred thirty-six".