1197947 has 2 divisors, whose sum is σ = 1197948. Its totient is φ = 1197946.

The previous prime is 1197941. The next prime is 1197953. The reversal of 1197947 is 7497911.

It is a balanced prime because it is at equal distance from previous prime (1197941) and next prime (1197953).

It is an emirp because it is prime and its reverse (7497911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1197947 - 2¹⁴ = 1181563 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1197947.

It is not a weakly prime, because it can be changed into another prime (1197941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598973 + 598974.

It is an arithmetic number, because the mean of its divisors is an integer number (598974).

2^1197947 is an apocalyptic number.

1197947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197947 is an equidigital number, since it uses as much as digits as its factorization.

1197947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 38.

The square root of 1197947 is about 1094.5076518691. The cubic root of 1197947 is about 106.2052212692.

The spelling of 1197947 in words is "one million, one hundred ninety-seven thousand, nine hundred forty-seven".