1400401003 has 2 divisors, whose sum is σ = 1400401004. Its totient is φ = 1400401002.

The previous prime is 1400400979. The next prime is 1400401063. The reversal of 1400401003 is 3001040041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1400401003 - 2²⁵ = 1366846571 is a prime.

It is a super-2 number, since 2×1400401003² = 3922245938406812018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1400401063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700200501 + 700200502.

It is an arithmetic number, because the mean of its divisors is an integer number (700200502).

Almost surely, 2^1400401003 is an apocalyptic number.

1400401003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400401003 is an equidigital number, since it uses as much as digits as its factorization.

1400401003 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 1400401003 is about 37421.9321120650. The cubic root of 1400401003 is about 1118.7957408428.

Adding to 1400401003 its reverse (3001040041), we get a palindrome (4401441044).

The spelling of 1400401003 in words is "one billion, four hundred million, four hundred one thousand, three".