1159749 has 6 divisors (see below), whose sum is σ = 1675206. Its totient is φ = 773160.

The previous prime is 1159721. The next prime is 1159777. The reversal of 1159749 is 9479511.

It is an interprime number because it is at equal distance from previous prime (1159721) and next prime (1159777).

It can be written as a sum of positive squares in only one way, i.e., 864900 + 294849 = 930^2 + 543^2 .

It is not a de Polignac number, because 1159749 - 2¹¹ = 1157701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64422 + ... + 64439.

It is an arithmetic number, because the mean of its divisors is an integer number (279201).

2^1159749 is an apocalyptic number.

It is an amenable number.

1159749 is a deficient number, since it is larger than the sum of its proper divisors (515457).

1159749 is a wasteful number, since it uses less digits than its factorization.

1159749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128867 (or 128864 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 1159749 is about 1076.9164312982. The cubic root of 1159749 is about 105.0641784517.

The spelling of 1159749 in words is "one million, one hundred fifty-nine thousand, seven hundred forty-nine".