1248427 has 2 divisors, whose sum is σ = 1248428. Its totient is φ = 1248426.

The previous prime is 1248413. The next prime is 1248449. The reversal of 1248427 is 7248421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1248427 - 2¹¹ = 1246379 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1248395 and 1248404.

It is not a weakly prime, because it can be changed into another prime (1248407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624213 + 624214.

It is an arithmetic number, because the mean of its divisors is an integer number (624214).

2^1248427 is an apocalyptic number.

1248427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248427 is an equidigital number, since it uses as much as digits as its factorization.

1248427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 28.

The square root of 1248427 is about 1117.3303003141. The cubic root of 1248427 is about 107.6765298575.

The spelling of 1248427 in words is "one million, two hundred forty-eight thousand, four hundred twenty-seven".