1260787 has 4 divisors (see below), whose sum is σ = 1375416. Its totient is φ = 1146160.

The previous prime is 1260769. The next prime is 1260797. The reversal of 1260787 is 7870621.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57298 + ... + 57319.

It is an arithmetic number, because the mean of its divisors is an integer number (343854).

2^1260787 is an apocalyptic number.

1260787 is a deficient number, since it is larger than the sum of its proper divisors (114629).

1260787 is a wasteful number, since it uses less digits than its factorization.

1260787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114628.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1260787 is about 1122.8477189717. The cubic root of 1260787 is about 108.0307125730.

The spelling of 1260787 in words is "one million, two hundred sixty thousand, seven hundred eighty-seven".