104091851 has 4 divisors (see below), whose sum is σ = 104693712. Its totient is φ = 103489992.

The previous prime is 104091821. The next prime is 104091857. The reversal of 104091851 is 158190401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158190401 = 2423 ⋅65287.

It is a cyclic number.

It is not a de Polignac number, because 104091851 - 2¹⁴ = 104075467 is a prime.

It is a super-2 number, since 2×104091851² = 21670226889212402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104091857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300671 + ... + 301016.

It is an arithmetic number, because the mean of its divisors is an integer number (26173428).

Almost surely, 2^104091851 is an apocalyptic number.

104091851 is a deficient number, since it is larger than the sum of its proper divisors (601861).

104091851 is an equidigital number, since it uses as much as digits as its factorization.

104091851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601860.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 104091851 is about 10202.5413990829. The cubic root of 104091851 is about 470.4053406804.

The spelling of 104091851 in words is "one hundred four million, ninety-one thousand, eight hundred fifty-one".