1000149105 has 16 divisors (see below), whose sum is σ = 1600680384. Its totient is φ = 533265600.

The previous prime is 1000149091. The next prime is 1000149173. The reversal of 1000149105 is 5019410001.

1000149105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000149105 - 2⁶ = 1000149041 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, 67630 + ... + 81080.

It is an arithmetic number, because the mean of its divisors is an integer number (100042524).

Almost surely, 2^1000149105 is an apocalyptic number.

1000149105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000149105 is a deficient number, since it is larger than the sum of its proper divisors (600531279).

1000149105 is a wasteful number, since it uses less digits than its factorization.

1000149105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18416.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1000149105 is about 31625.1340708621. The cubic root of 1000149105 is about 1000.0496991966.

Adding to 1000149105 its reverse (5019410001), we get a palindrome (6019559106).

The spelling of 1000149105 in words is "one billion, one hundred forty-nine thousand, one hundred five".