1402021403 has 2 divisors, whose sum is σ = 1402021404. Its totient is φ = 1402021402.

The previous prime is 1402021393. The next prime is 1402021417. The reversal of 1402021403 is 3041202041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402021403 - 2⁶ = 1402021339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1402821403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701010701 + 701010702.

It is an arithmetic number, because the mean of its divisors is an integer number (701010702).

Almost surely, 2^1402021403 is an apocalyptic number.

1402021403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402021403 is an equidigital number, since it uses as much as digits as its factorization.

1402021403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1402021403 is about 37443.5762581514. The cubic root of 1402021403 is about 1119.2270929653.

Adding to 1402021403 its reverse (3041202041), we get a palindrome (4443223444).

The spelling of 1402021403 in words is "one billion, four hundred two million, twenty-one thousand, four hundred three".