1325181 has 16 divisors (see below), whose sum is σ = 2076480. Its totient is φ = 741120.

The previous prime is 1325179. The next prime is 1325183. The reversal of 1325181 is 1815231.

It is an interprime number because it is at equal distance from previous prime (1325179) and next prime (1325183).

It is not a de Polignac number, because 1325181 - 2¹ = 1325179 is a prime.

It is a super-2 number, since 2×1325181² = 3512209365522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325183) by changing a digit.

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, 1116 + ... + 1973.

It is an arithmetic number, because the mean of its divisors is an integer number (129780).

2^1325181 is an apocalyptic number.

1325181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1325181 is a deficient number, since it is larger than the sum of its proper divisors (751299).

1325181 is a wasteful number, since it uses less digits than its factorization.

1325181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116.

The product of its digits is 240, while the sum is 21.

The square root of 1325181 is about 1151.1650620133. The cubic root of 1325181 is about 109.8394627910.

The spelling of 1325181 in words is "one million, three hundred twenty-five thousand, one hundred eighty-one".