104520871 has 48 divisors (see below), whose sum is σ = 138915840. Its totient is φ = 77837760.

The previous prime is 104520859. The next prime is 104520883. The reversal of 104520871 is 178025401.

It is an interprime number because it is at equal distance from previous prime (104520859) and next prime (104520883).

It is not a de Polignac number, because 104520871 - 2¹⁷ = 104389799 is a prime.

It is a super-2 number, since 2×104520871² = 21849224949197282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104520851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1323010 + ... + 1323088.

It is an arithmetic number, because the mean of its divisors is an integer number (2894080).

Almost surely, 2^104520871 is an apocalyptic number.

104520871 is a deficient number, since it is larger than the sum of its proper divisors (34394969).

104520871 is a wasteful number, since it uses less digits than its factorization.

104520871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 104520871 is about 10223.5449331433. The cubic root of 104520871 is about 471.0507215599.

The spelling of 104520871 in words is "one hundred four million, five hundred twenty thousand, eight hundred seventy-one".