1227407 has 2 divisors, whose sum is σ = 1227408. Its totient is φ = 1227406.

The previous prime is 1227379. The next prime is 1227431. The reversal of 1227407 is 7047221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1227407 - 2⁸ = 1227151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1227437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613703 + 613704.

It is an arithmetic number, because the mean of its divisors is an integer number (613704).

2^1227407 is an apocalyptic number.

1227407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227407 is an equidigital number, since it uses as much as digits as its factorization.

1227407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 1227407 is about 1107.8840192006. The cubic root of 1227407 is about 107.0687827467.

The spelling of 1227407 in words is "one million, two hundred twenty-seven thousand, four hundred seven".