401081061 has 16 divisors (see below), whose sum is σ = 561383424. Its totient is φ = 254223024.

The previous prime is 401081029. The next prime is 401081077. The reversal of 401081061 is 160180104.

It is not a de Polignac number, because 401081061 - 2⁵ = 401081029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401083061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5881 + ... + 28926.

It is an arithmetic number, because the mean of its divisors is an integer number (35086464).

Almost surely, 2^401081061 is an apocalyptic number.

It is an amenable number.

401081061 is a deficient number, since it is larger than the sum of its proper divisors (160302363).

401081061 is a wasteful number, since it uses less digits than its factorization.

401081061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35000.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 401081061 is about 20027.0082888084. The cubic root of 401081061 is about 737.4694797673.

The spelling of 401081061 in words is "four hundred one million, eighty-one thousand, sixty-one".