1243061 has 4 divisors (see below), whose sum is σ = 1245324. Its totient is φ = 1240800.

The previous prime is 1243013. The next prime is 1243093. The reversal of 1243061 is 1603421.

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 988036 + 255025 = 994^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1243061 - 2¹⁴ = 1226677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243961) 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, 281 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (311331).

2^1243061 is an apocalyptic number.

It is an amenable number.

1243061 is a deficient number, since it is larger than the sum of its proper divisors (2263).

1243061 is an equidigital number, since it uses as much as digits as its factorization.

1243061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1243061 is about 1114.9264549736. The cubic root of 1243061 is about 107.5220362253.

Adding to 1243061 its reverse (1603421), we get a palindrome (2846482).

The spelling of 1243061 in words is "one million, two hundred forty-three thousand, sixty-one".