1159447 has 2 divisors, whose sum is σ = 1159448. Its totient is φ = 1159446.

The previous prime is 1159429. The next prime is 1159463. The reversal of 1159447 is 7449511.

It is a strong prime.

It is an emirp because it is prime and its reverse (7449511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1159447 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579723 + 579724.

It is an arithmetic number, because the mean of its divisors is an integer number (579724).

2^1159447 is an apocalyptic number.

1159447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159447 is an equidigital number, since it uses as much as digits as its factorization.

1159447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 1159447 is about 1076.7762070180. The cubic root of 1159447 is about 105.0550580482.

Subtracting 1159447 from its reverse (7449511), we obtain a square (6290064 = 2508²).

The spelling of 1159447 in words is "one million, one hundred fifty-nine thousand, four hundred forty-seven".