1402231 has 2 divisors, whose sum is σ = 1402232. Its totient is φ = 1402230.

The previous prime is 1402201. The next prime is 1402249. The reversal of 1402231 is 1322041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402231 is a prime.

It is a super-2 number, since 2×1402231² = 3932503554722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402201) 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 as a sum of consecutive naturals, namely, 701115 + 701116.

It is an arithmetic number, because the mean of its divisors is an integer number (701116).

2^1402231 is an apocalyptic number.

1402231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402231 is an equidigital number, since it uses as much as digits as its factorization.

1402231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1402231 is about 1184.1583508974. The cubic root of 1402231 is about 111.9282863619.

Adding to 1402231 its reverse (1322041), we get a palindrome (2724272).

The spelling of 1402231 in words is "one million, four hundred two thousand, two hundred thirty-one".