1012605 has 48 divisors (see below), whose sum is σ = 1975104. Its totient is φ = 437760.

The previous prime is 1012601. The next prime is 1012619. The reversal of 1012605 is 5062101.

It is not a de Polignac number, because 1012605 - 2² = 1012601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53286 + ... + 53304.

It is an arithmetic number, because the mean of its divisors is an integer number (41148).

2^1012605 is an apocalyptic number.

1012605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012605 is a deficient number, since it is larger than the sum of its proper divisors (962499).

1012605 is a wasteful number, since it uses less digits than its factorization.

1012605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1012605 is about 1006.2827634418. The cubic root of 1012605 is about 100.4184135262.

Adding to 1012605 its reverse (5062101), we get a palindrome (6074706).

The spelling of 1012605 in words is "one million, twelve thousand, six hundred five".