401136201 has 6 divisors (see below), whose sum is σ = 579418970. Its totient is φ = 267424128.

The previous prime is 401136179. The next prime is 401136209. The reversal of 401136201 is 102631104.

It is a happy number.

401136201 is a `hidden beast` number, since 40 + 1 + 1 + 3 + 620 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 335768976 + 65367225 = 18324^2 + 8085^2 .

It is not a de Polignac number, because 401136201 - 2¹⁸ = 400874057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401136209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22285336 + ... + 22285353.

Almost surely, 2^401136201 is an apocalyptic number.

It is an amenable number.

401136201 is a deficient number, since it is larger than the sum of its proper divisors (178282769).

401136201 is a wasteful number, since it uses less digits than its factorization.

401136201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44570695 (or 44570692 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 401136201 is about 20028.3848824612. The cubic root of 401136201 is about 737.5032736042.

Adding to 401136201 its reverse (102631104), we get a palindrome (503767305).

The spelling of 401136201 in words is "four hundred one million, one hundred thirty-six thousand, two hundred one".