401121047 has 2 divisors, whose sum is σ = 401121048. Its totient is φ = 401121046.

The previous prime is 401121041. The next prime is 401121053. The reversal of 401121047 is 740121104.

It is a balanced prime because it is at equal distance from previous prime (401121041) and next prime (401121053).

It is a cyclic number.

It is not a de Polignac number, because 401121047 - 2⁸ = 401120791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401121041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200560523 + 200560524.

It is an arithmetic number, because the mean of its divisors is an integer number (200560524).

Almost surely, 2^401121047 is an apocalyptic number.

401121047 is a deficient number, since it is larger than the sum of its proper divisors (1).

401121047 is an equidigital number, since it uses as much as digits as its factorization.

401121047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 401121047 is about 20028.0065658068. The cubic root of 401121047 is about 737.4939864299.

The spelling of 401121047 in words is "four hundred one million, one hundred twenty-one thousand, forty-seven".