1243053 has 16 divisors (see below), whose sum is σ = 2104960. Its totient is φ = 710208.

The previous prime is 1243013. The next prime is 1243093. The reversal of 1243053 is 3503421.

It is an interprime number because it is at equal distance from previous prime (1243013) and next prime (1243093).

It is not a de Polignac number, because 1243053 - 2¹⁰ = 1242029 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 (1243003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3100 + ... + 3477.

It is an arithmetic number, because the mean of its divisors is an integer number (131560).

2^1243053 is an apocalyptic number.

It is an amenable number.

1243053 is a deficient number, since it is larger than the sum of its proper divisors (861907).

1243053 is an equidigital number, since it uses as much as digits as its factorization.

1243053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6593 (or 6587 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1243053 is about 1114.9228672872. The cubic root of 1243053 is about 107.5218055640.

Adding to 1243053 its reverse (3503421), we get a palindrome (4746474).

It can be divided in two parts, 12 and 43053, that multiplied together give a triangular number (516636 = T₁₀₁₆).

The spelling of 1243053 in words is "one million, two hundred forty-three thousand, fifty-three".