1022977 has 2 divisors, whose sum is σ = 1022978. Its totient is φ = 1022976.

The previous prime is 1022963. The next prime is 1022981. The reversal of 1022977 is 7792201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 408321 = 784^2 + 639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022977 - 2⁷ = 1022849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511488 + 511489.

It is an arithmetic number, because the mean of its divisors is an integer number (511489).

It is a Proth number, since it is equal to 999 ⋅ 2¹⁰ + 1 and 999 < 2¹⁰.

2^1022977 is an apocalyptic number.

It is an amenable number.

1022977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022977 is an equidigital number, since it uses as much as digits as its factorization.

1022977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 1022977 is about 1011.4232546269. The cubic root of 1022977 is about 100.7601077237.

The spelling of 1022977 in words is "one million, twenty-two thousand, nine hundred seventy-seven".