1214947 has 2 divisors, whose sum is σ = 1214948. Its totient is φ = 1214946.

The previous prime is 1214933. The next prime is 1214957. The reversal of 1214947 is 7494121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1214947 - 2⁷ = 1214819 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

1214947 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1214957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607473 + 607474.

It is an arithmetic number, because the mean of its divisors is an integer number (607474).

2^1214947 is an apocalyptic number.

1214947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214947 is an equidigital number, since it uses as much as digits as its factorization.

1214947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 1214947 is about 1102.2463427020. The cubic root of 1214947 is about 106.7052475455.

The spelling of 1214947 in words is "one million, two hundred fourteen thousand, nine hundred forty-seven".