1260851 has 2 divisors, whose sum is σ = 1260852. Its totient is φ = 1260850.

The previous prime is 1260841. The next prime is 1260877. The reversal of 1260851 is 1580621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260851 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1260841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630425 + 630426.

It is an arithmetic number, because the mean of its divisors is an integer number (630426).

2^1260851 is an apocalyptic number.

1260851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260851 is an equidigital number, since it uses as much as digits as its factorization.

1260851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1260851 is about 1122.8762175770. The cubic root of 1260851 is about 108.0325404917.

The spelling of 1260851 in words is "one million, two hundred sixty thousand, eight hundred fifty-one".