1390027 has 2 divisors, whose sum is σ = 1390028. Its totient is φ = 1390026.

The previous prime is 1390019. The next prime is 1390043. The reversal of 1390027 is 7200931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1390027 - 2³ = 1390019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1390087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695013 + 695014.

It is an arithmetic number, because the mean of its divisors is an integer number (695014).

2^1390027 is an apocalyptic number.

1390027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390027 is an equidigital number, since it uses as much as digits as its factorization.

1390027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1390027 is about 1178.9940627501. The cubic root of 1390027 is about 111.6026255897.

Adding to 1390027 its reverse (7200931), we get a palindrome (8590958).

The spelling of 1390027 in words is "one million, three hundred ninety thousand, twenty-seven".