1000412155 has 16 divisors (see below), whose sum is σ = 1241579520. Its totient is φ = 773371872.

The previous prime is 1000412143. The next prime is 1000412207. The reversal of 1000412155 is 5512140001.

It is a cyclic number.

It is not a de Polignac number, because 1000412155 - 2⁵ = 1000412123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8379 + ... + 45508.

It is an arithmetic number, because the mean of its divisors is an integer number (77598720).

Almost surely, 2^1000412155 is an apocalyptic number.

1000412155 is a deficient number, since it is larger than the sum of its proper divisors (241167365).

1000412155 is an equidigital number, since it uses as much as digits as its factorization.

1000412155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54018.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1000412155 is about 31629.2926730902. The cubic root of 1000412155 is about 1000.1373661297.

Adding to 1000412155 its reverse (5512140001), we get a palindrome (6512552156).

The spelling of 1000412155 in words is "one billion, four hundred twelve thousand, one hundred fifty-five".