1402811 has 2 divisors, whose sum is σ = 1402812. Its totient is φ = 1402810.

The previous prime is 1402801. The next prime is 1402829. The reversal of 1402811 is 1182041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402811 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1402811.

It is not a weakly prime, because it can be changed into another prime (1402801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701405 + 701406.

It is an arithmetic number, because the mean of its divisors is an integer number (701406).

2^1402811 is an apocalyptic number.

1402811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402811 is an equidigital number, since it uses as much as digits as its factorization.

1402811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1402811 is about 1184.4032252573. The cubic root of 1402811 is about 111.9437164058.

Adding to 1402811 its reverse (1182041), we get a palindrome (2584852).

The spelling of 1402811 in words is "one million, four hundred two thousand, eight hundred eleven".