1260345 has 16 divisors (see below), whose sum is σ = 2045952. Its totient is φ = 662400.

The previous prime is 1260341. The next prime is 1260359. The reversal of 1260345 is 5430621.

It is a happy number.

It is not a de Polignac number, because 1260345 - 2² = 1260341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1260341) 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, 520 + ... + 1670.

It is an arithmetic number, because the mean of its divisors is an integer number (127872).

2^1260345 is an apocalyptic number.

1260345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1260345 is a deficient number, since it is larger than the sum of its proper divisors (785607).

1260345 is a wasteful number, since it uses less digits than its factorization.

1260345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1260345 is about 1122.6508807283. The cubic root of 1260345 is about 108.0180868199.

Adding to 1260345 its reverse (5430621), we get a palindrome (6690966).

The spelling of 1260345 in words is "one million, two hundred sixty thousand, three hundred forty-five".