104378749 has 2 divisors, whose sum is σ = 104378750. Its totient is φ = 104378748.

The previous prime is 104378737. The next prime is 104378773. The reversal of 104378749 is 947873401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80192025 + 24186724 = 8955^2 + 4918^2 .

It is a cyclic number.

It is not a de Polignac number, because 104378749 - 2⁵ = 104378717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104378719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52189374 + 52189375.

It is an arithmetic number, because the mean of its divisors is an integer number (52189375).

Almost surely, 2^104378749 is an apocalyptic number.

It is an amenable number.

104378749 is a deficient number, since it is larger than the sum of its proper divisors (1).

104378749 is an equidigital number, since it uses as much as digits as its factorization.

104378749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 104378749 is about 10216.5918485569. The cubic root of 104378749 is about 470.8371213590.

The spelling of 104378749 in words is "one hundred four million, three hundred seventy-eight thousand, seven hundred forty-nine".