1001323142 has 16 divisors (see below), whose sum is σ = 1583712000. Its totient is φ = 473508360.

The previous prime is 1001323111. The next prime is 1001323163. The reversal of 1001323142 is 2413231001.

It is a super-3 number, since 3×1001323142³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001323142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767 + ... + 44757.

It is an arithmetic number, because the mean of its divisors is an integer number (98982000).

Almost surely, 2^1001323142 is an apocalyptic number.

1001323142 is a deficient number, since it is larger than the sum of its proper divisors (582388858).

1001323142 is a wasteful number, since it uses less digits than its factorization.

1001323142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44611.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1001323142 is about 31643.6903979293. The cubic root of 1001323142 is about 1000.4408529534.

Adding to 1001323142 its reverse (2413231001), we get a palindrome (3414554143).

The spelling of 1001323142 in words is "one billion, one million, three hundred twenty-three thousand, one hundred forty-two".