1020135 has 16 divisors (see below), whose sum is σ = 1668096. Its totient is φ = 532128.

The previous prime is 1020113. The next prime is 1020137. The reversal of 1020135 is 5310201.

It is not a de Polignac number, because 1020135 - 2⁷ = 1020007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19 + ... + 1428.

It is an arithmetic number, because the mean of its divisors is an integer number (104256).

2^1020135 is an apocalyptic number.

1020135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1020135 is a deficient number, since it is larger than the sum of its proper divisors (647961).

1020135 is a wasteful number, since it uses less digits than its factorization.

1020135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1020135 is about 1010.0173265841. The cubic root of 1020135 is about 100.6667117426. Note that the first 3 decimals are identical.

Adding to 1020135 its reverse (5310201), we get a palindrome (6330336).

The spelling of 1020135 in words is "one million, twenty thousand, one hundred thirty-five".