410401121861 has 8 divisors (see below), whose sum is σ = 425036346624. Its totient is φ = 396011867440.

The previous prime is 410401121783. The next prime is 410401121887. The reversal of 410401121861 is 168121104014.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 410401121861 - 2¹⁸ = 410400859717 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 (410401121261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61489190 + ... + 61495863.

It is an arithmetic number, because the mean of its divisors is an integer number (53129543328).

Almost surely, 2^410401121861 is an apocalyptic number.

It is an amenable number.

410401121861 is a deficient number, since it is larger than the sum of its proper divisors (14635224763).

410401121861 is a wasteful number, since it uses less digits than its factorization.

410401121861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122985171.

The product of its (nonzero) digits is 1536, while the sum is 29.

Adding to 410401121861 its reverse (168121104014), we get a palindrome (578522225875).

The spelling of 410401121861 in words is "four hundred ten billion, four hundred one million, one hundred twenty-one thousand, eight hundred sixty-one".