1001133129 has 8 divisors (see below), whose sum is σ = 1334990592. Its totient is φ = 667348880.

The previous prime is 1001133101. The next prime is 1001133139. The reversal of 1001133129 is 9213311001.

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 1001133129 - 2⁵ = 1001133097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001133139) 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, 41839 + ... + 61259.

It is an arithmetic number, because the mean of its divisors is an integer number (166873824).

Almost surely, 2^1001133129 is an apocalyptic number.

It is an amenable number.

1001133129 is a deficient number, since it is larger than the sum of its proper divisors (333857463).

1001133129 is a wasteful number, since it uses less digits than its factorization.

1001133129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36607.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1001133129 is about 31640.6878717894. The cubic root of 1001133129 is about 1000.3775670918.

The spelling of 1001133129 in words is "one billion, one million, one hundred thirty-three thousand, one hundred twenty-nine".