1227131 has 2 divisors, whose sum is σ = 1227132. Its totient is φ = 1227130.

The previous prime is 1227103. The next prime is 1227133. The reversal of 1227131 is 1317221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1227131 - 2¹⁴ = 1210747 is a prime.

It is a super-2 number, since 2×1227131² = 3011700982322, which contains 22 as substring.

Together with 1227133, 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 (1227133) 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, 613565 + 613566.

It is an arithmetic number, because the mean of its divisors is an integer number (613566).

2^1227131 is an apocalyptic number.

1227131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227131 is an equidigital number, since it uses as much as digits as its factorization.

1227131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84, while the sum is 17.

The square root of 1227131 is about 1107.7594504223. The cubic root of 1227131 is about 107.0607568300.

The spelling of 1227131 in words is "one million, two hundred twenty-seven thousand, one hundred thirty-one".