104078531 has 4 divisors (see below), whose sum is σ = 104617992. Its totient is φ = 103539072.

The previous prime is 104078503. The next prime is 104078567. The reversal of 104078531 is 135870401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104078531 - 2⁶ = 104078467 is a prime.

It is a super-2 number, since 2×104078531² = 21664681230235922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104078494 and 104078503.

It is not an unprimeable number, because it can be changed into a prime (104078731) 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, 269441 + ... + 269826.

It is an arithmetic number, because the mean of its divisors is an integer number (26154498).

Almost surely, 2^104078531 is an apocalyptic number.

104078531 is a deficient number, since it is larger than the sum of its proper divisors (539461).

104078531 is an equidigital number, since it uses as much as digits as its factorization.

104078531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539460.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 104078531 is about 10201.8885996662. Note that the first 3 decimals coincide. The cubic root of 104078531 is about 470.3852748560.

The spelling of 104078531 in words is "one hundred four million, seventy-eight thousand, five hundred thirty-one".