104102251 has 4 divisors (see below), whose sum is σ = 113566104. Its totient is φ = 94638400.

The previous prime is 104102221. The next prime is 104102261. The reversal of 104102251 is 152201401.

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 104102251 - 2¹³ = 104094059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104102221) 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, 4731910 + ... + 4731931.

It is an arithmetic number, because the mean of its divisors is an integer number (28391526).

Almost surely, 2^104102251 is an apocalyptic number.

104102251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104102251 is a deficient number, since it is larger than the sum of its proper divisors (9463853).

104102251 is an equidigital number, since it uses as much as digits as its factorization.

104102251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9463852.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 104102251 is about 10203.0510632849. The cubic root of 104102251 is about 470.4210065005.

Adding to 104102251 its reverse (152201401), we get a palindrome (256303652).

The spelling of 104102251 in words is "one hundred four million, one hundred two thousand, two hundred fifty-one".