1146749 has 4 divisors (see below), whose sum is σ = 1149180. Its totient is φ = 1144320.

The previous prime is 1146731. The next prime is 1146763. The reversal of 1146749 is 9476411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1060900 + 85849 = 1030^2 + 293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (287295).

2^1146749 is an apocalyptic number.

It is an amenable number.

1146749 is a deficient number, since it is larger than the sum of its proper divisors (2431).

1146749 is an equidigital number, since it uses as much as digits as its factorization.

1146749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430.

The product of its digits is 6048, while the sum is 32.

The square root of 1146749 is about 1070.8636701280. The cubic root of 1146749 is about 104.6701363791.

The spelling of 1146749 in words is "one million, one hundred forty-six thousand, seven hundred forty-nine".