1020035 has 4 divisors (see below), whose sum is σ = 1224048. Its totient is φ = 816024.

The previous prime is 1020023. The next prime is 1020037. The reversal of 1020035 is 5300201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5300201 = 173 ⋅30637.

It is a cyclic number.

It is not a de Polignac number, because 1020035 - 2⁶ = 1019971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1019998 and 1020025.

It is not an unprimeable number, because it can be changed into a prime (1020037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101999 + ... + 102008.

It is an arithmetic number, because the mean of its divisors is an integer number (306012).

2^1020035 is an apocalyptic number.

1020035 is a deficient number, since it is larger than the sum of its proper divisors (204013).

1020035 is an equidigital number, since it uses as much as digits as its factorization.

1020035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204012.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 1020035 is about 1009.9678212696. The cubic root of 1020035 is about 100.6634223087.

Adding to 1020035 its reverse (5300201), we get a palindrome (6320236).

It can be divided in two parts, 102003 and 5, that multiplied together give a palindrome (510015).

The spelling of 1020035 in words is "one million, twenty thousand, thirty-five".