401170771 has 2 divisors, whose sum is σ = 401170772. Its totient is φ = 401170770.

The previous prime is 401170751. The next prime is 401170787. The reversal of 401170771 is 177071104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401170771 - 2⁵ = 401170739 is a prime.

It is equal to p_21395251 and since 401170771 and 21395251 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (401170711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200585385 + 200585386.

It is an arithmetic number, because the mean of its divisors is an integer number (200585386).

Almost surely, 2^401170771 is an apocalyptic number.

401170771 is a deficient number, since it is larger than the sum of its proper divisors (1).

401170771 is an equidigital number, since it uses as much as digits as its factorization.

401170771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1372, while the sum is 28.

The square root of 401170771 is about 20029.2478890247. The cubic root of 401170771 is about 737.5244590567.

The spelling of 401170771 in words is "four hundred one million, one hundred seventy thousand, seven hundred seventy-one".