401128363 has 2 divisors, whose sum is σ = 401128364. Its totient is φ = 401128362.

The previous prime is 401128339. The next prime is 401128369. The reversal of 401128363 is 363821104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401128363 is a prime.

It is not a weakly prime, because it can be changed into another prime (401128369) by changing a digit.

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 as a sum of consecutive naturals, namely, 200564181 + 200564182.

It is an arithmetic number, because the mean of its divisors is an integer number (200564182).

Almost surely, 2^401128363 is an apocalyptic number.

401128363 is a deficient number, since it is larger than the sum of its proper divisors (1).

401128363 is an equidigital number, since it uses as much as digits as its factorization.

401128363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 401128363 is about 20028.1892092121. The cubic root of 401128363 is about 737.4984700916.

Adding to 401128363 its reverse (363821104), we get a palindrome (764949467).

The spelling of 401128363 in words is "four hundred one million, one hundred twenty-eight thousand, three hundred sixty-three".