1020049 has 2 divisors, whose sum is σ = 1020050. Its totient is φ = 1020048.

The previous prime is 1020043. The next prime is 1020059. The reversal of 1020049 is 9400201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 801025 + 219024 = 895^2 + 468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020049 - 2⁹ = 1019537 is a prime.

1020049 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1020043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510024 + 510025.

It is an arithmetic number, because the mean of its divisors is an integer number (510025).

2^1020049 is an apocalyptic number.

It is an amenable number.

1020049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020049 is an equidigital number, since it uses as much as digits as its factorization.

1020049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1020049 is about 1009.9747521597. The cubic root of 1020049 is about 100.6638828424.

The spelling of 1020049 in words is "one million, twenty thousand, forty-nine".