920147 has 2 divisors, whose sum is σ = 920148. Its totient is φ = 920146.

The previous prime is 920137. The next prime is 920149. The reversal of 920147 is 741029.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920147 is a prime.

Together with 920149, 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 (920149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460073 + 460074.

It is an arithmetic number, because the mean of its divisors is an integer number (460074).

2⁹²⁰¹⁴⁷ is an apocalyptic number.

920147 is a deficient number, since it is larger than the sum of its proper divisors (1).

920147 is an equidigital number, since it uses as much as digits as its factorization.

920147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 920147 is about 959.2429306490. The cubic root of 920147 is about 97.2640624387.

The spelling of 920147 in words is "nine hundred twenty thousand, one hundred forty-seven".