1039427 has 2 divisors, whose sum is σ = 1039428. Its totient is φ = 1039426.

The previous prime is 1039421. The next prime is 1039429. The reversal of 1039427 is 7249301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1039427 - 2¹⁶ = 973891 is a prime.

Together with 1039429, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1039396 and 1039405.

It is not a weakly prime, because it can be changed into another prime (1039421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519713 + 519714.

It is an arithmetic number, because the mean of its divisors is an integer number (519714).

2^1039427 is an apocalyptic number.

1039427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039427 is an equidigital number, since it uses as much as digits as its factorization.

1039427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1039427 is about 1019.5229276480. The cubic root of 1039427 is about 101.2973299016.

The spelling of 1039427 in words is "one million, thirty-nine thousand, four hundred twenty-seven".