1010205 has 32 divisors (see below), whose sum is σ = 2054400. Its totient is φ = 461376.

The previous prime is 1010203. The next prime is 1010237. The reversal of 1010205 is 5020101.

It is a happy number.

It is not a de Polignac number, because 1010205 - 2¹ = 1010203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

1010205 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411 + ... + 1479.

It is an arithmetic number, because the mean of its divisors is an integer number (64200).

2^1010205 is an apocalyptic number.

1010205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1010205 is an abundant number, since it is smaller than the sum of its proper divisors (1044195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1010205 is a wasteful number, since it uses less digits than its factorization.

1010205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 1010205 is about 1005.0895482493. The cubic root of 1010205 is about 100.3390160491.

Adding to 1010205 its reverse (5020101), we get a palindrome (6030306).

It can be divided in two parts, 101020 and 5, that added together give a triangular number (101025 = T₄₄₉).

The spelling of 1010205 in words is "one million, ten thousand, two hundred five".