401011201 has 4 divisors (see below), whose sum is σ = 410792004. Its totient is φ = 391230400.

The previous prime is 401011157. The next prime is 401011213. The reversal of 401011201 is 102110104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17438976 + 383572225 = 4176^2 + 19585^2 .

It is a cyclic number.

It is not a de Polignac number, because 401011201 - 2⁹ = 401010689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401011231) 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, 4890340 + ... + 4890421.

It is an arithmetic number, because the mean of its divisors is an integer number (102698001).

Almost surely, 2^401011201 is an apocalyptic number.

401011201 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

401011201 is a deficient number, since it is larger than the sum of its proper divisors (9780803).

401011201 is an equidigital number, since it uses as much as digits as its factorization.

401011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9780802.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 401011201 is about 20025.2640681715. The cubic root of 401011201 is about 737.4266599865.

Adding to 401011201 its reverse (102110104), we get a palindrome (503121305).

The spelling of 401011201 in words is "four hundred one million, eleven thousand, two hundred one".