1401444043 has 2 divisors, whose sum is σ = 1401444044. Its totient is φ = 1401444042.

The previous prime is 1401444019. The next prime is 1401444067. The reversal of 1401444043 is 3404441041.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1401444019) and next prime (1401444067).

It is a cyclic number.

It is not a de Polignac number, because 1401444043 - 2¹⁷ = 1401312971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401443999 and 1401444017.

It is not a weakly prime, because it can be changed into another prime (1401444743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700722021 + 700722022.

It is an arithmetic number, because the mean of its divisors is an integer number (700722022).

Almost surely, 2^1401444043 is an apocalyptic number.

1401444043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401444043 is an equidigital number, since it uses as much as digits as its factorization.

1401444043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1401444043 is about 37435.8657306065. The cubic root of 1401444043 is about 1119.0734372803.

Adding to 1401444043 its reverse (3404441041), we get a palindrome (4805885084).

The spelling of 1401444043 in words is "one billion, four hundred one million, four hundred forty-four thousand, forty-three".