1001133159 has 32 divisors (see below), whose sum is σ = 1467239424. Its totient is φ = 603434880.

The previous prime is 1001133149. The next prime is 1001133173. The reversal of 1001133159 is 9513311001.

It is not a de Polignac number, because 1001133159 - 2⁸ = 1001132903 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 672514 + ... + 674000.

It is an arithmetic number, because the mean of its divisors is an integer number (45851232).

Almost surely, 2^1001133159 is an apocalyptic number.

1001133159 is a deficient number, since it is larger than the sum of its proper divisors (466106265).

1001133159 is a wasteful number, since it uses less digits than its factorization.

1001133159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847.

The product of its (nonzero) digits is 405, while the sum is 24.

The square root of 1001133159 is about 31640.6883458625. The cubic root of 1001133159 is about 1000.3775770843.

The spelling of 1001133159 in words is "one billion, one million, one hundred thirty-three thousand, one hundred fifty-nine".