1247119 has 2 divisors, whose sum is σ = 1247120. Its totient is φ = 1247118.

The previous prime is 1247117. The next prime is 1247167. The reversal of 1247119 is 9117421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1247119 - 2¹ = 1247117 is a prime.

It is a super-2 number, since 2×1247119² = 3110611600322, which contains 22 as substring.

Together with 1247117, it forms a pair of twin primes.

1247119 is a lucky number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1247093 and 1247102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1247117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623559 + 623560.

It is an arithmetic number, because the mean of its divisors is an integer number (623560).

2^1247119 is an apocalyptic number.

1247119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1247119 is an equidigital number, since it uses as much as digits as its factorization.

1247119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 25.

The square root of 1247119 is about 1116.7448231355. The cubic root of 1247119 is about 107.6389118212.

The spelling of 1247119 in words is "one million, two hundred forty-seven thousand, one hundred nineteen".