104781451 has 2 divisors, whose sum is σ = 104781452. Its totient is φ = 104781450.

The previous prime is 104781431. The next prime is 104781473. The reversal of 104781451 is 154187401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104781451 - 2¹⁹ = 104257163 is a prime.

It is not a weakly prime, because it can be changed into another prime (104781431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52390725 + 52390726.

It is an arithmetic number, because the mean of its divisors is an integer number (52390726).

Almost surely, 2^104781451 is an apocalyptic number.

104781451 is a deficient number, since it is larger than the sum of its proper divisors (1).

104781451 is an equidigital number, since it uses as much as digits as its factorization.

104781451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 104781451 is about 10236.2811118101. The cubic root of 104781451 is about 471.4418540706.

The spelling of 104781451 in words is "one hundred four million, seven hundred eighty-one thousand, four hundred fifty-one".