1401244017 has 4 divisors (see below), whose sum is σ = 1868325360. Its totient is φ = 934162676.

The previous prime is 1401243971. The next prime is 1401244021. The reversal of 1401244017 is 7104421041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7104421041 = 3 ⋅2368140347.

It is a cyclic number.

It is not a de Polignac number, because 1401244017 - 2²⁸ = 1132808561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401244027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233540667 + ... + 233540672.

It is an arithmetic number, because the mean of its divisors is an integer number (467081340).

Almost surely, 2^1401244017 is an apocalyptic number.

It is an amenable number.

1401244017 is a deficient number, since it is larger than the sum of its proper divisors (467081343).

1401244017 is an equidigital number, since it uses as much as digits as its factorization.

1401244017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467081342.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1401244017 is about 37433.1940528724. The cubic root of 1401244017 is about 1119.0201935244.

Adding to 1401244017 its reverse (7104421041), we get a palindrome (8505665058).

The spelling of 1401244017 in words is "one billion, four hundred one million, two hundred forty-four thousand, seventeen".