401161205 has 12 divisors (see below), whose sum is σ = 498570852. Its totient is φ = 309859200.

The previous prime is 401161177. The next prime is 401161213. The reversal of 401161205 is 502161104.

It can be written as a sum of positive squares in 6 ways, for example, as 29789764 + 371371441 = 5458^2 + 19271^2 .

It is not a de Polignac number, because 401161205 - 2²² = 396966901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43496 + ... + 51905.

It is an arithmetic number, because the mean of its divisors is an integer number (41547571).

Almost surely, 2^401161205 is an apocalyptic number.

It is an amenable number.

401161205 is a deficient number, since it is larger than the sum of its proper divisors (97409647).

401161205 is an equidigital number, since it uses as much as digits as its factorization.

401161205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95464 (or 95435 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 401161205 is about 20029.0090868220. The cubic root of 401161205 is about 737.5185968690.

The spelling of 401161205 in words is "four hundred one million, one hundred sixty-one thousand, two hundred five".