10201401 has 24 divisors (see below), whose sum is σ = 16947840. Its totient is φ = 5792256.

The previous prime is 10201391. The next prime is 10201403. The reversal of 10201401 is 10410201.

It is a happy number.

It is not a de Polignac number, because 10201401 - 2⁵ = 10201369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10201403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11740 + ... + 12578.

It is an arithmetic number, because the mean of its divisors is an integer number (706160).

Almost surely, 2^10201401 is an apocalyptic number.

It is an amenable number.

10201401 is a deficient number, since it is larger than the sum of its proper divisors (6746439).

10201401 is a wasteful number, since it uses less digits than its factorization.

10201401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10201401 is about 3193.9632120612. The cubic root of 10201401 is about 216.8802173278.

Adding to 10201401 its reverse (10410201), we get a palindrome (20611602).

The spelling of 10201401 in words is "ten million, two hundred one thousand, four hundred one".