1325121 has 16 divisors (see below), whose sum is σ = 2044800. Its totient is φ = 747648.

The previous prime is 1325119. The next prime is 1325123. The reversal of 1325121 is 1215231.

It is an interprime number because it is at equal distance from previous prime (1325119) and next prime (1325123).

It is not a de Polignac number, because 1325121 - 2¹ = 1325119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1325121.

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 15 ways as a sum of consecutive naturals, for example, 1515 + ... + 2223.

It is an arithmetic number, because the mean of its divisors is an integer number (127800).

2^1325121 is an apocalyptic number.

It is an amenable number.

1325121 is a deficient number, since it is larger than the sum of its proper divisors (719679).

1325121 is an equidigital number, since it uses as much as digits as its factorization.

1325121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808.

The product of its digits is 60, while the sum is 15.

The square root of 1325121 is about 1151.1390011636. The cubic root of 1325121 is about 109.8378050383.

It can be divided in two parts, 132 and 5121, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 1325121 in words is "one million, three hundred twenty-five thousand, one hundred twenty-one".