1260043 has 4 divisors (see below), whose sum is σ = 1264120. Its totient is φ = 1255968.

The previous prime is 1260031. The next prime is 1260047. The reversal of 1260043 is 3400621.

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

It is a cyclic number.

It is not a de Polignac number, because 1260043 - 2⁵ = 1260011 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1259999 and 1260026.

It is not an unprimeable number, because it can be changed into a prime (1260047) 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, 1533 + ... + 2206.

It is an arithmetic number, because the mean of its divisors is an integer number (316030).

2^1260043 is an apocalyptic number.

1260043 is a deficient number, since it is larger than the sum of its proper divisors (4077).

1260043 is an equidigital number, since it uses as much as digits as its factorization.

1260043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1260043 is about 1122.5163695911. The cubic root of 1260043 is about 108.0094584766.

Adding to 1260043 its reverse (3400621), we get a palindrome (4660664).

The spelling of 1260043 in words is "one million, two hundred sixty thousand, forty-three".