1020877 has 16 divisors (see below), whose sum is σ = 1229760. Its totient is φ = 842160.

The previous prime is 1020853. The next prime is 1020881. The reversal of 1020877 is 7780201.

It is a happy number.

It is not a de Polignac number, because 1020877 - 2¹⁵ = 988109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020827) 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 in 15 ways as a sum of consecutive naturals, for example, 17274 + ... + 17332.

It is an arithmetic number, because the mean of its divisors is an integer number (76860).

2^1020877 is an apocalyptic number.

It is an amenable number.

1020877 is a deficient number, since it is larger than the sum of its proper divisors (208883).

1020877 is an equidigital number, since it uses as much as digits as its factorization.

1020877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 1020877 is about 1010.3845802466. The cubic root of 1020877 is about 100.6911126300.

The spelling of 1020877 in words is "one million, twenty thousand, eight hundred seventy-seven".