1197827 has 2 divisors, whose sum is σ = 1197828. Its totient is φ = 1197826.

The previous prime is 1197821. The next prime is 1197829. The reversal of 1197827 is 7287911.

It is a strong prime.

It is an emirp because it is prime and its reverse (7287911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1197827 - 2⁸ = 1197571 is a prime.

Together with 1197829, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1197821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598913 + 598914.

It is an arithmetic number, because the mean of its divisors is an integer number (598914).

2^1197827 is an apocalyptic number.

1197827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197827 is an equidigital number, since it uses as much as digits as its factorization.

1197827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 35.

The square root of 1197827 is about 1094.4528313271. The cubic root of 1197827 is about 106.2016749097.

The spelling of 1197827 in words is "one million, one hundred ninety-seven thousand, eight hundred twenty-seven".