1380125 has 16 divisors (see below), whose sum is σ = 1760304. Its totient is φ = 1080000.

The previous prime is 1380083. The next prime is 1380149. The reversal of 1380125 is 5210831.

It can be written as a sum of positive squares in 8 ways, for example, as 1240996 + 139129 = 1114^2 + 373^2 .

It is not a de Polignac number, because 1380125 - 2⁸ = 1379869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1380097 and 1380106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7535 + ... + 7715.

It is an arithmetic number, because the mean of its divisors is an integer number (110019).

2^1380125 is an apocalyptic number.

It is an amenable number.

1380125 is a deficient number, since it is larger than the sum of its proper divisors (380179).

1380125 is an equidigital number, since it uses as much as digits as its factorization.

1380125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1380125 is about 1174.7872147755. The cubic root of 1380125 is about 111.3369895732.

Adding to 1380125 its reverse (5210831), we get a palindrome (6590956).

The spelling of 1380125 in words is "one million, three hundred eighty thousand, one hundred twenty-five".