1325124 has 18 divisors (see below), whose sum is σ = 3349710. Its totient is φ = 441696.

The previous prime is 1325123. The next prime is 1325143. The reversal of 1325124 is 4215231.

It can be written as a sum of positive squares in only one way, i.e., 1065024 + 260100 = 1032^2 + 510^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1325097 and 1325106.

It is not an unprimeable number, because it can be changed into a prime (1325123) 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 5 ways as a sum of consecutive naturals, for example, 18369 + ... + 18440.

It is an arithmetic number, because the mean of its divisors is an integer number (186095).

2^1325124 is an apocalyptic number.

It is an amenable number.

1325124 is an abundant number, since it is smaller than the sum of its proper divisors (2024586).

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

1325124 is a wasteful number, since it uses less digits than its factorization.

1325124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36819 (or 36814 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1325124 is about 1151.1403042201. The cubic root of 1325124 is about 109.8378879271.

The spelling of 1325124 in words is "one million, three hundred twenty-five thousand, one hundred twenty-four".