1149245 has 4 divisors (see below), whose sum is σ = 1379100. Its totient is φ = 919392.

The previous prime is 1149233. The next prime is 1149259. The reversal of 1149245 is 5429411.

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 155236 + 994009 = 394^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149245 - 2⁴ = 1149229 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114920 + ... + 114929.

It is an arithmetic number, because the mean of its divisors is an integer number (344775).

2^1149245 is an apocalyptic number.

It is an amenable number.

1149245 is a deficient number, since it is larger than the sum of its proper divisors (229855).

1149245 is an equidigital number, since it uses as much as digits as its factorization.

1149245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229854.

The product of its digits is 1440, while the sum is 26.

The square root of 1149245 is about 1072.0284511150. The cubic root of 1149245 is about 104.7460225989.

The spelling of 1149245 in words is "one million, one hundred forty-nine thousand, two hundred forty-five".