1427567 has 2 divisors, whose sum is σ = 1427568. Its totient is φ = 1427566.

The previous prime is 1427563. The next prime is 1427599. The reversal of 1427567 is 7657241.

It is an a-pointer prime, because the next prime (1427599) can be obtained adding 1427567 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1427567 - 2² = 1427563 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713783 + 713784.

It is an arithmetic number, because the mean of its divisors is an integer number (713784).

2^1427567 is an apocalyptic number.

1427567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427567 is an equidigital number, since it uses as much as digits as its factorization.

1427567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 32.

The square root of 1427567 is about 1194.8083528332. The cubic root of 1427567 is about 112.5983863596.

The spelling of 1427567 in words is "one million, four hundred twenty-seven thousand, five hundred sixty-seven".