1001342121 has 8 divisors (see below), whose sum is σ = 1437824640. Its totient is φ = 616210512.

The previous prime is 1001342119. The next prime is 1001342149. The reversal of 1001342121 is 1212431001.

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

It is not a de Polignac number, because 1001342121 - 2¹ = 1001342119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001342121.

It is not an unprimeable number, because it can be changed into a prime (1001342101) 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, 12837681 + ... + 12837758.

It is an arithmetic number, because the mean of its divisors is an integer number (179728080).

Almost surely, 2^1001342121 is an apocalyptic number.

It is an amenable number.

1001342121 is a deficient number, since it is larger than the sum of its proper divisors (436482519).

1001342121 is a wasteful number, since it uses less digits than its factorization.

1001342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25675455.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1001342121 is about 31643.9902825165. The cubic root of 1001342121 is about 1000.4471736726.

Adding to 1001342121 its reverse (1212431001), we get a palindrome (2213773122).

The spelling of 1001342121 in words is "one billion, one million, three hundred forty-two thousand, one hundred twenty-one".