1000412205 has 32 divisors (see below), whose sum is σ = 1733477760. Its totient is φ = 489742080.

The previous prime is 1000412143. The next prime is 1000412207. The reversal of 1000412205 is 5022140001.

It is not a de Polignac number, because 1000412205 - 2¹¹ = 1000410157 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000412207) 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, 20575 + ... + 49235.

It is an arithmetic number, because the mean of its divisors is an integer number (54171180).

Almost surely, 2^1000412205 is an apocalyptic number.

1000412205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000412205 is a deficient number, since it is larger than the sum of its proper divisors (733065555).

1000412205 is a wasteful number, since it uses less digits than its factorization.

1000412205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28861.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1000412205 is about 31629.2934634968. The cubic root of 1000412205 is about 1000.1373827918.

Adding to 1000412205 its reverse (5022140001), we get a palindrome (6022552206).

The spelling of 1000412205 in words is "one billion, four hundred twelve thousand, two hundred five".