1401441401 has 4 divisors (see below), whose sum is σ = 1401532752. Its totient is φ = 1401350052.

The previous prime is 1401441329. The next prime is 1401441409. The reversal of 1401441401 is 1041441041.

It is a happy number.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1041441041 = 41 ⋅25401001.

It is a cyclic number.

It is not a de Polignac number, because 1401441401 - 2¹⁸ = 1401179257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401441409) 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, 16415 + ... + 55428.

It is an arithmetic number, because the mean of its divisors is an integer number (350383188).

Almost surely, 2^1401441401 is an apocalyptic number.

It is an amenable number.

1401441401 is a deficient number, since it is larger than the sum of its proper divisors (91351).

1401441401 is an equidigital number, since it uses as much as digits as its factorization.

1401441401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91350.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1401441401 is about 37435.8304435737. The cubic root of 1401441401 is about 1119.0727340548.

Adding to 1401441401 its reverse (1041441041), we get a palindrome (2442882442).

The spelling of 1401441401 in words is "one billion, four hundred one million, four hundred forty-one thousand, four hundred one".