1478207 has 2 divisors, whose sum is σ = 1478208. Its totient is φ = 1478206.

The previous prime is 1478203. The next prime is 1478209. The reversal of 1478207 is 7028741.

It is a strong prime.

It is an emirp because it is prime and its reverse (7028741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1478207 - 2² = 1478203 is a prime.

Together with 1478209, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1478207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1478203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739103 + 739104.

It is an arithmetic number, because the mean of its divisors is an integer number (739104).

2^1478207 is an apocalyptic number.

1478207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478207 is an equidigital number, since it uses as much as digits as its factorization.

1478207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 1478207 is about 1215.8153642721. The cubic root of 1478207 is about 113.9143452207.

The spelling of 1478207 in words is "one million, four hundred seventy-eight thousand, two hundred seven".