1410781 has 2 divisors, whose sum is σ = 1410782. Its totient is φ = 1410780.

The previous prime is 1410767. The next prime is 1410803. The reversal of 1410781 is 1870141.

It is an a-pointer prime, because the next prime (1410803) can be obtained adding 1410781 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 108900 = 1141^2 + 330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1410781 - 2⁷ = 1410653 is a prime.

It is a super-2 number, since 2×1410781² = 3980606059922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

1410781 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1413781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705390 + 705391.

It is an arithmetic number, because the mean of its divisors is an integer number (705391).

2^1410781 is an apocalyptic number.

It is an amenable number.

1410781 is a deficient number, since it is larger than the sum of its proper divisors (1).

1410781 is an equidigital number, since it uses as much as digits as its factorization.

1410781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 1410781 is about 1187.7630235026. The cubic root of 1410781 is about 112.1553170386.

The spelling of 1410781 in words is "one million, four hundred ten thousand, seven hundred eighty-one".