1001342120 has 32 divisors (see below), whose sum is σ = 2254088520. Its totient is φ = 400346880.

The previous prime is 1001342119. The next prime is 1001342149. The reversal of 1001342120 is 212431001.

It can be written as a sum of positive squares in 4 ways, for example, as 843437764 + 157904356 = 29042^2 + 12566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1001342095 and 1001342104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105074 + ... + 114206.

Almost surely, 2^1001342120 is an apocalyptic number.

1001342120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001342120 is an abundant number, since it is smaller than the sum of its proper divisors (1252746400).

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

1001342120 is a wasteful number, since it uses less digits than its factorization.

1001342120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11885 (or 11881 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1001342120 is about 31643.9902667157. The cubic root of 1001342120 is about 1000.4471733395.

Adding to 1001342120 its reverse (212431001), we get a palindrome (1213773121).

The spelling of 1001342120 in words is "one billion, one million, three hundred forty-two thousand, one hundred twenty".