1401214447 has 2 divisors, whose sum is σ = 1401214448. Its totient is φ = 1401214446.

The previous prime is 1401214433. The next prime is 1401214453. The reversal of 1401214447 is 7444121041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401214447 - 2²³ = 1392825839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401214427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700607223 + 700607224.

It is an arithmetic number, because the mean of its divisors is an integer number (700607224).

Almost surely, 2^1401214447 is an apocalyptic number.

1401214447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401214447 is an equidigital number, since it uses as much as digits as its factorization.

1401214447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 1401214447 is about 37432.7990804856. The cubic root of 1401214447 is about 1119.0123220284.

Adding to 1401214447 its reverse (7444121041), we get a palindrome (8845335488).

The spelling of 1401214447 in words is "one billion, four hundred one million, two hundred fourteen thousand, four hundred forty-seven".