104987147 has 2 divisors, whose sum is σ = 104987148. Its totient is φ = 104987146.

The previous prime is 104987107. The next prime is 104987149. The reversal of 104987147 is 741789401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104987147 - 2⁶ = 104987083 is a prime.

It is a super-2 number, since 2×104987147² = 22044602070399218, which contains 22 as substring.

Together with 104987149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104987149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52493573 + 52493574.

It is an arithmetic number, because the mean of its divisors is an integer number (52493574).

Almost surely, 2^104987147 is an apocalyptic number.

104987147 is a deficient number, since it is larger than the sum of its proper divisors (1).

104987147 is an equidigital number, since it uses as much as digits as its factorization.

104987147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 104987147 is about 10246.3235845839. The cubic root of 104987147 is about 471.7501475570.

The spelling of 104987147 in words is "one hundred four million, nine hundred eighty-seven thousand, one hundred forty-seven".