1045311 has 4 divisors (see below), whose sum is σ = 1393752. Its totient is φ = 696872.

The previous prime is 1045309. The next prime is 1045321. The reversal of 1045311 is 1135401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1135401 = 3 ⋅378467.

It is a cyclic number.

It is not a de Polignac number, because 1045311 - 2¹ = 1045309 is a prime.

It is a D-number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045321) 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, 174216 + ... + 174221.

It is an arithmetic number, because the mean of its divisors is an integer number (348438).

2^1045311 is an apocalyptic number.

1045311 is a deficient number, since it is larger than the sum of its proper divisors (348441).

1045311 is an equidigital number, since it uses as much as digits as its factorization.

1045311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348440.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1045311 is about 1022.4045187694. The cubic root of 1045311 is about 101.4881120457.

The spelling of 1045311 in words is "one million, forty-five thousand, three hundred eleven".