1401433247 has 2 divisors, whose sum is σ = 1401433248. Its totient is φ = 1401433246.

The previous prime is 1401433237. The next prime is 1401433273. The reversal of 1401433247 is 7423341041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1401433247 - 2¹⁰ = 1401432223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401433237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700716623 + 700716624.

It is an arithmetic number, because the mean of its divisors is an integer number (700716624).

Almost surely, 2^1401433247 is an apocalyptic number.

1401433247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401433247 is an equidigital number, since it uses as much as digits as its factorization.

1401433247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1401433247 is about 37435.7215370560. The cubic root of 1401433247 is about 1119.0705636853.

Adding to 1401433247 its reverse (7423341041), we get a palindrome (8824774288).

The spelling of 1401433247 in words is "one billion, four hundred one million, four hundred thirty-three thousand, two hundred forty-seven".