1427407 has 2 divisors, whose sum is σ = 1427408. Its totient is φ = 1427406.

The previous prime is 1427401. The next prime is 1427411. The reversal of 1427407 is 7047241.

It is a strong prime.

It is an emirp because it is prime and its reverse (7047241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1427407 - 2³ = 1427399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713703 + 713704.

It is an arithmetic number, because the mean of its divisors is an integer number (713704).

2^1427407 is an apocalyptic number.

1427407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427407 is an equidigital number, since it uses as much as digits as its factorization.

1427407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 1427407 is about 1194.7413946122. The cubic root of 1427407 is about 112.5941795716.

The spelling of 1427407 in words is "one million, four hundred twenty-seven thousand, four hundred seven".