1000029999 has 16 divisors (see below), whose sum is σ = 1368000000. Its totient is φ = 649574016.

The previous prime is 1000029971. The next prime is 1000030001. The reversal of 1000029999 is 9999200001.

It is a happy number.

It is not a de Polignac number, because 1000029999 - 2⁵ = 1000029967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000029799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4999 + ... + 45000.

It is an arithmetic number, because the mean of its divisors is an integer number (85500000).

Almost surely, 2^1000029999 is an apocalyptic number.

1000029999 is a deficient number, since it is larger than the sum of its proper divisors (367970001).

1000029999 is a wasteful number, since it uses less digits than its factorization.

1000029999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50174.

The product of its (nonzero) digits is 13122, while the sum is 39.

The square root of 1000029999 is about 31623.2509239642. The cubic root of 1000029999 is about 1000.0099995667.

The spelling of 1000029999 in words is "one billion, twenty-nine thousand, nine hundred ninety-nine".