1001244129 has 8 divisors (see below), whose sum is σ = 1353280032. Its totient is φ = 658352160.

The previous prime is 1001244103. The next prime is 1001244131. The reversal of 1001244129 is 9214421001.

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

It is not a de Polignac number, because 1001244129 - 2¹² = 1001240033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001244099 and 1001244108.

It is not an unprimeable number, because it can be changed into a prime (1001240129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285727 + ... + 2286164.

It is an arithmetic number, because the mean of its divisors is an integer number (169160004).

Almost surely, 2^1001244129 is an apocalyptic number.

It is an amenable number.

1001244129 is a deficient number, since it is larger than the sum of its proper divisors (352035903).

1001244129 is an equidigital number, since it uses as much as digits as its factorization.

1001244129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571967.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1001244129 is about 31642.4418937603. The cubic root of 1001244129 is about 1000.4145378013.

The spelling of 1001244129 in words is "one billion, one million, two hundred forty-four thousand, one hundred twenty-nine".