1208147 has 8 divisors (see below), whose sum is σ = 1256640. Its totient is φ = 1160640.

The previous prime is 1208131. The next prime is 1208149. The reversal of 1208147 is 7418021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1208147 - 2⁴ = 1208131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1208149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3053 + ... + 3425.

It is an arithmetic number, because the mean of its divisors is an integer number (157080).

2^1208147 is an apocalyptic number.

1208147 is a deficient number, since it is larger than the sum of its proper divisors (48493).

1208147 is an equidigital number, since it uses as much as digits as its factorization.

1208147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1208147 is about 1099.1574045604. The cubic root of 1208147 is about 106.5058002675.

The spelling of 1208147 in words is "one million, two hundred eight thousand, one hundred forty-seven".