401201455 has 4 divisors (see below), whose sum is σ = 481441752. Its totient is φ = 320961160.

The previous prime is 401201431. The next prime is 401201461. The reversal of 401201455 is 554102104.

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

It is not a de Polignac number, because 401201455 - 2⁷ = 401201327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40120141 + ... + 40120150.

It is an arithmetic number, because the mean of its divisors is an integer number (120360438).

Almost surely, 2^401201455 is an apocalyptic number.

401201455 is a deficient number, since it is larger than the sum of its proper divisors (80240297).

401201455 is an equidigital number, since it uses as much as digits as its factorization.

401201455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80240296.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 401201455 is about 20030.0138542139. The cubic root of 401201455 is about 737.5432620413.

Adding to 401201455 its reverse (554102104), we get a palindrome (955303559).

The spelling of 401201455 in words is "four hundred one million, two hundred one thousand, four hundred fifty-five".