401215103 has 2 divisors, whose sum is σ = 401215104. Its totient is φ = 401215102.

The previous prime is 401215093. The next prime is 401215121. The reversal of 401215103 is 301512104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401215103 - 2¹⁴ = 401198719 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401215123) 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, 200607551 + 200607552.

It is an arithmetic number, because the mean of its divisors is an integer number (200607552).

Almost surely, 2^401215103 is an apocalyptic number.

401215103 is a deficient number, since it is larger than the sum of its proper divisors (1).

401215103 is an equidigital number, since it uses as much as digits as its factorization.

401215103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 401215103 is about 20030.3545400475. The cubic root of 401215103 is about 737.5516251518.

Adding to 401215103 its reverse (301512104), we get a palindrome (702727207).

The spelling of 401215103 in words is "four hundred one million, two hundred fifteen thousand, one hundred three".