401147141 has 4 divisors (see below), whose sum is σ = 404827500. Its totient is φ = 397466784.

The previous prime is 401147083. The next prime is 401147143. The reversal of 401147141 is 141741104.

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

It can be written as a sum of positive squares in 2 ways, for example, as 120450625 + 280696516 = 10975^2 + 16754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401147141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401147143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840016 + ... + 1840233.

It is an arithmetic number, because the mean of its divisors is an integer number (101206875).

Almost surely, 2^401147141 is an apocalyptic number.

It is an amenable number.

401147141 is a deficient number, since it is larger than the sum of its proper divisors (3680359).

401147141 is a wasteful number, since it uses less digits than its factorization.

401147141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680358.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 401147141 is about 20028.6579929860. The cubic root of 401147141 is about 737.5099780705.

Adding to 401147141 its reverse (141741104), we get a palindrome (542888245).

The spelling of 401147141 in words is "four hundred one million, one hundred forty-seven thousand, one hundred forty-one".