1325881 has 8 divisors (see below), whose sum is σ = 1465344. Its totient is φ = 1193280.

The previous prime is 1325873. The next prime is 1325903. The reversal of 1325881 is 1885231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1325881 - 2³ = 1325873 is a prime.

It is a super-2 number, since 2×1325881² = 3515920852322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325861) 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 7 ways as a sum of consecutive naturals, for example, 1305 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (183168).

2^1325881 is an apocalyptic number.

It is an amenable number.

1325881 is a deficient number, since it is larger than the sum of its proper divisors (139463).

1325881 is a wasteful number, since it uses less digits than its factorization.

1325881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431.

The product of its digits is 1920, while the sum is 28.

The square root of 1325881 is about 1151.4690616773. The cubic root of 1325881 is about 109.8587995432.

The spelling of 1325881 in words is "one million, three hundred twenty-five thousand, eight hundred eighty-one".