1406081 has 2 divisors, whose sum is σ = 1406082. Its totient is φ = 1406080.

The previous prime is 1406077. The next prime is 1406089. The reversal of 1406081 is 1806041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1401856 + 4225 = 1184^2 + 65^2 .

It is an emirp because it is prime and its reverse (1806041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1406081 - 2² = 1406077 is a prime.

It is a super-2 number, since 2×1406081² = 3954127557122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1406089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703040 + 703041.

It is an arithmetic number, because the mean of its divisors is an integer number (703041).

2^1406081 is an apocalyptic number.

It is an amenable number.

1406081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406081 is an equidigital number, since it uses as much as digits as its factorization.

1406081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1406081 is about 1185.7828637655. The cubic root of 1406081 is about 112.0306304403.

It can be divided in two parts, 14060 and 81, that added together give a palindrome (14141).

The spelling of 1406081 in words is "one million, four hundred six thousand, eighty-one".