1401800003 has 2 divisors, whose sum is σ = 1401800004. Its totient is φ = 1401800002.

The previous prime is 1401799981. The next prime is 1401800017. The reversal of 1401800003 is 3000081041.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3000081041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401800003 - 2²⁴ = 1385022787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401800203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700900001 + 700900002.

It is an arithmetic number, because the mean of its divisors is an integer number (700900002).

Almost surely, 2^1401800003 is an apocalyptic number.

1401800003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401800003 is an equidigital number, since it uses as much as digits as its factorization.

1401800003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1401800003 is about 37440.6196930553. The cubic root of 1401800003 is about 1119.1681756710.

Adding to 1401800003 its reverse (3000081041), we get a palindrome (4401881044).

The spelling of 1401800003 in words is "one billion, four hundred one million, eight hundred thousand, three".