1080427 has 4 divisors (see below), whose sum is σ = 1082520. Its totient is φ = 1078336.

The previous prime is 1080419. The next prime is 1080433. The reversal of 1080427 is 7240801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7240801 = 919 ⋅7879.

It is a cyclic number.

It is not a de Polignac number, because 1080427 - 2³ = 1080419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1080398 and 1080407.

It is not an unprimeable number, because it can be changed into a prime (1089427) 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 3 ways as a sum of consecutive naturals, for example, 348 + ... + 1510.

It is an arithmetic number, because the mean of its divisors is an integer number (270630).

2^1080427 is an apocalyptic number.

1080427 is a deficient number, since it is larger than the sum of its proper divisors (2093).

1080427 is an equidigital number, since it uses as much as digits as its factorization.

1080427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1080427 is about 1039.4359047099. The cubic root of 1080427 is about 102.6120764955.

The spelling of 1080427 in words is "one million, eighty thousand, four hundred twenty-seven".