1260045 has 12 divisors (see below), whose sum is σ = 2184156. Its totient is φ = 672000.

The previous prime is 1260031. The next prime is 1260047. The reversal of 1260045 is 5400621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 660969 + 599076 = 813^2 + 774^2 .

It is not a de Polignac number, because 1260045 - 2¹² = 1255949 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 13956 + ... + 14045.

It is an arithmetic number, because the mean of its divisors is an integer number (182013).

2^1260045 is an apocalyptic number.

1260045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1260045 is a deficient number, since it is larger than the sum of its proper divisors (924111).

1260045 is a wasteful number, since it uses less digits than its factorization.

1260045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28012 (or 28009 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1260045 is about 1122.5172604464. The cubic root of 1260045 is about 108.0095156225.

Adding to 1260045 its reverse (5400621), we get a palindrome (6660666).

The spelling of 1260045 in words is "one million, two hundred sixty thousand, forty-five".