920149 has 2 divisors, whose sum is σ = 920150. Its totient is φ = 920148.

The previous prime is 920147. The next prime is 920167. The reversal of 920149 is 941029.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819025 + 101124 = 905^2 + 318^2 .

It is a cyclic number.

It is not a de Polignac number, because 920149 - 2¹ = 920147 is a prime.

Together with 920147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460074 + 460075.

It is an arithmetic number, because the mean of its divisors is an integer number (460075).

2⁹²⁰¹⁴⁹ is an apocalyptic number.

It is an amenable number.

920149 is a deficient number, since it is larger than the sum of its proper divisors (1).

920149 is an equidigital number, since it uses as much as digits as its factorization.

920149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 920149 is about 959.2439731372. The cubic root of 920149 is about 97.2641329086.

The spelling of 920149 in words is "nine hundred twenty thousand, one hundred forty-nine".