1000252129 has 8 divisors (see below), whose sum is σ = 1044478080. Its totient is φ = 956087616.

The previous prime is 1000252091. The next prime is 1000252133. The reversal of 1000252129 is 9212520001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000252129 - 2⁹ = 1000251617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000252139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19644 + ... + 48850.

It is an arithmetic number, because the mean of its divisors is an integer number (130559760).

Almost surely, 2^1000252129 is an apocalyptic number.

It is an amenable number.

1000252129 is a deficient number, since it is larger than the sum of its proper divisors (44225951).

1000252129 is a wasteful number, since it uses less digits than its factorization.

1000252129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30719.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1000252129 is about 31626.7628599577. The cubic root of 1000252129 is about 1000.0840359378.

The spelling of 1000252129 in words is "one billion, two hundred fifty-two thousand, one hundred twenty-nine".