1002427 has 2 divisors, whose sum is σ = 1002428. Its totient is φ = 1002426.

The previous prime is 1002403. The next prime is 1002433. The reversal of 1002427 is 7242001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002427 - 2⁷ = 1002299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002427.

It is not a weakly prime, because it can be changed into another prime (1002457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501213 + 501214.

It is an arithmetic number, because the mean of its divisors is an integer number (501214).

2^1002427 is an apocalyptic number.

1002427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002427 is an equidigital number, since it uses as much as digits as its factorization.

1002427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1002427 is about 1001.2127646010. The cubic root of 1002427 is about 100.0808346400.

Adding to 1002427 its reverse (7242001), we get a palindrome (8244428).

The spelling of 1002427 in words is "one million, two thousand, four hundred twenty-seven".