804121411 has 2 divisors, whose sum is σ = 804121412. Its totient is φ = 804121410.

The previous prime is 804121393. The next prime is 804121427. The reversal of 804121411 is 114121408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 804121411 - 2⁵ = 804121379 is a prime.

It is a super-2 number, since 2×804121411² = 1293222487257261842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (804121511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402060705 + 402060706.

It is an arithmetic number, because the mean of its divisors is an integer number (402060706).

Almost surely, 2^804121411 is an apocalyptic number.

804121411 is a deficient number, since it is larger than the sum of its proper divisors (1).

804121411 is an equidigital number, since it uses as much as digits as its factorization.

804121411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 804121411 is about 28357.0345946116. The cubic root of 804121411 is about 929.9091948956.

Adding to 804121411 its reverse (114121408), we get a palindrome (918242819).

The spelling of 804121411 in words is "eight hundred four million, one hundred twenty-one thousand, four hundred eleven".