1001342142 has 32 divisors (see below), whose sum is σ = 2342323200. Its totient is φ = 316212984.

The previous prime is 1001342119. The next prime is 1001342149. The reversal of 1001342142 is 2412431001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001342149) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 486958 + ... + 489009.

It is an arithmetic number, because the mean of its divisors is an integer number (73197600).

Almost surely, 2^1001342142 is an apocalyptic number.

1001342142 is an abundant number, since it is smaller than the sum of its proper divisors (1340981058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001342142 is a wasteful number, since it uses less digits than its factorization.

1001342142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975997 (or 975991 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1001342142 is about 31643.9906143331. The cubic root of 1001342142 is about 1000.4471806663.

Adding to 1001342142 its reverse (2412431001), we get a palindrome (3413773143).

The spelling of 1001342142 in words is "one billion, one million, three hundred forty-two thousand, one hundred forty-two".